10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

☒     ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE FISCAL YEAR ENDED December 31, 2019

or

☐     TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM                      TO                     

COMMISSION FILE NUMBER 1-4825

WEYERHAEUSER COMPANY

A Washington CORPORATION

91-0470860

(IRS EMPLOYER IDENTIFICATION NO.)

220 OCCIDENTAL AVENUE SOUTH, SEATTLE, Washington 98104-7800 TELEPHONE (206) 539-3000

SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

TITLE OF EACH CLASS	TRADING SYMBOL(S)	NAME OF EACH EXCHANGE ON WHICH REGISTERED
Common Shares ($1.25 par value)	WY	New York Stock Exchange
Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  ☒  Yes    ☐  No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.  ☐  Yes    ☒  No

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  ☒  Yes    ☐  No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  ☒  Yes    ☐  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer  ☒           Accelerated filer  ☐           Non-accelerated filer  ☐

Smaller reporting company  ☐           Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). ☐  Yes    ☒  No

The aggregate market value of the registrant’s common stock held by non-affiliates of the registrant based on the closing sale price as of the last business day of the most recently completed second fiscal quarter ended on June 30, 2019, as reported on the New York Stock Exchange Composite Price Transactions, was approximately $19.6 billion.

As of February 3, 2020, 745,519 thousand shares of the registrant’s common stock ($1.25 par value) were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Notice of 2020 Annual Meeting of Shareholders and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020, are incorporated by reference into Part II and III.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K

TABLE OF CONTENTS

PART I		PAGE
ITEM 1.	OUR BUSINESS	1
	WE CAN TELL YOU MORE	1
	WHO WE ARE	1
	WHAT WE DO	2
	INFORMATION ABOUT OUR EXECUTIVE OFFICERS	18
	NATURAL RESOURCE AND ENVIRONMENTAL MATTERS	19
	FORWARD-LOOKING STATEMENTS	24
ITEM 1A.	RISK FACTORS	25
ITEM 1B.	UNRESOLVED STAFF COMMENTS	34
ITEM 2.	PROPERTIES	34
ITEM 3.	LEGAL PROCEEDINGS	34
ITEM 4.	MINE SAFETY DISCLOSURES — NOT APPLICABLE
PART II
ITEM 5.	MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	34
ITEM 6.	SELECTED FINANCIAL DATA	36
ITEM 7.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (MD&A)	37
	ECONOMIC AND MARKET CONDITIONS AFFECTING OUR OPERATIONS	37
	FINANCIAL PERFORMANCE SUMMARY	38
	RESULTS OF OPERATIONS	38
	LIQUIDITY AND CAPITAL RESOURCES	44
	OFF-BALANCE SHEET ARRANGEMENTS	47
	ENVIRONMENTAL MATTERS, LEGAL PROCEEDINGS AND OTHER CONTINGENCIES	47
	ACCOUNTING MATTERS	47
	PERFORMANCE MEASURES	50
ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	53
ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	54
	REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM	54
	CONSOLIDATED STATEMENT OF OPERATIONS	55
	CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME	56
	CONSOLIDATED BALANCE SHEET	57
	CONSOLIDATED STATEMENT OF CASH FLOWS	58
	CONSOLIDATED STATEMENT OF CHANGES IN EQUITY	59
	INDEX FOR NOTES TO CONSOLIDATED FINANCIAL STATEMENTS	60
	NOTES TO CONSOLIDATED FINANCIAL STATEMENTS	61
ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	100
ITEM 9A.	CONTROLS AND PROCEDURES	100
ITEM 9B.	OTHER INFORMATION	102
PART III
ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE	103
ITEM 11.	EXECUTIVE AND DIRECTOR COMPENSATION	103
ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS	103
ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE	103
ITEM 14.	PRINCIPAL ACCOUNTING FEES AND SERVICES	103
PART IV
ITEM 15.	EXHIBITS AND FINANCIAL STATEMENT SCHEDULES	104
	EXHIBITS	105
ITEM 16.	FORM 10-K SUMMARY	108
	SIGNATURES	109

OUR BUSINESS

We are one of the world's largest private owners of timberlands. We own or control 11.5 million acres of timberlands in the U.S. and manage an additional 14.0 million acres of timberlands under long-term licenses in Canada. We manage these timberlands on a sustainable basis in compliance with internationally recognized forestry standards. Our objective is to maximize the long-term value of timberlands we own. We analyze each timberland acre comprehensively to understand its highest-value use. We realize this value in many ways, particularly through growing and harvesting the trees, but also by selling properties when we can create incremental value. In addition, we focus on opportunities to realize value through lease and royalty agreements for the surface and subsurface rights that exist in our ownership.

We are also one of the largest manufacturers of wood products in North America. We manufacture and distribute high-quality wood products, including structural lumber, oriented strand board, engineered wood products and other specialty products. These products are primarily supplied to the residential, multi-family, industrial, light commercial as well as repair and remodel markets. We operate 35 manufacturing facilities in the United States and Canada.

Our company is a real estate investment trust (REIT).

Sustainability and citizenship are part of our core values. In addition to practicing sustainable forestry, we focus on increasing energy and resource efficiency, reducing greenhouse gas emissions, reducing water consumption, conserving natural resources and offering sustainable products that meet our customers' needs. We operate with world-class safety results, actively support the communities in which we operate and strive to communicate transparently with our investors and other stakeholders. We are the only North American forest products company included on the Dow Jones Sustainability North America Index, and we are also recognized for our leading performance in the areas of ethics, citizenship and gender equality.

In 2019, we generated $6.6 billion in net sales and employed approximately 9,400 people who serve customers worldwide.

This portion of our Annual Report on Form 10-K provides detailed information about who we are, what we do and where we are headed. Unless otherwise specified, current information reported in this Form 10-K is as of or for the fiscal year ended December 31, 2019.

We break out financial information such as revenues, earnings and assets by the business segments that form our company. We also discuss the geographic areas where we do business.

Throughout this Form 10-K, unless specified otherwise, references to “we,” “our,” “us” and “the company” refer to the consolidated company.

WE CAN TELL YOU MORE

AVAILABLE INFORMATION

We meet the information reporting requirements of the Securities Exchange Act of 1934 by filing periodic reports (annual reports on Form 10-K, quarterly reports on Form 10-Q), current reports on Form 8-K, proxy statements and other information with the Securities and Exchange Commission (SEC). These reports and statements, which contain information about our company’s business, financial results, corporate governance and other matters, as well as amendments to these reports and statements, are available at:

• the SEC website — www.sec.gov and

• our website (free of charge) — www.weyerhaeuser.com.

When we file or furnish information electronically with the SEC, it is also posted to our website.

WHO WE ARE

We were incorporated as Weyerhaeuser Timber Company in the state of Washington in January 1900, when Frederick Weyerhaeuser and 15 partners bought 900,000 acres of timberland. Today, we are working to be the world's premier timber, land and forest products company for our shareholders, customers and employees.

REAL ESTATE INVESTMENT TRUST (REIT) ELECTION

Starting with our 2010 fiscal year, we elected to be taxed as a REIT. REIT income can be distributed to shareholders without first paying corporate level tax, substantially eliminating the double taxation on income. We expect to derive most of our REIT income from our timberlands, including gains from the sales of our standing timber and rent from recreational leases. We continue to be required to pay federal corporate income taxes on earnings of our Taxable REIT Subsidiaries (TRSs), which include our Wood Products segment and a portion of our Timberlands and Real Estate, Energy and Natural Resources segments.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 1

OUR BUSINESS SEGMENTS

In our Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A) section you will find discussion of our overall performance results for our business segments, which are as follows:

• Timberlands;

• Real Estate, Energy and Natural Resources (Real Estate & ENR) and

• Wood Products.

Detailed financial information about our business segments and our geographic locations is provided in Note 2: Business Segments and Note 22: Geographic Areas.

EFFECT OF MARKET CONDITIONS

The health of the U.S. housing market strongly affects the performance of all our business segments. Wood Products primarily sells into the new residential building and repair and remodel markets. Demand for logs from our Timberlands segment is affected by production levels of domestic wood-based building products as well as export markets. Real Estate is affected by local real estate market conditions, such as the level of supply or demand for properties sharing the same or similar characteristics as our timberlands. Energy and Natural Resources is affected by underlying demand for commodities, including oil, gas and minerals.

COMPETITION IN OUR MARKETS

We operate in highly competitive domestic and foreign markets, with numerous companies selling similar products. Many of our products also face competition from substitutes for wood products. We compete in our markets primarily through product quality, service levels and price. We are relentlessly focused on operational excellence, producing quality products customers want and are willing to pay for, at the lowest possible cost.

Our business segments’ competitive strategies are as follows:

• Timberlands — Deliver maximum timber value from every acre we own or manage.

• Real Estate & ENR — Deliver premiums to timberland value by identifying and monetizing higher and better use lands and capturing the full value of surface and subsurface assets.

• Wood Products — Manufacture high-quality structural lumber, oriented strand board and engineered wood products, as well as deliver complementary building products for residential, multi-family, industrial and light commercial applications at competitive costs.

OUR EMPLOYEES

We have approximately 9,400 employees. Of these employees, approximately 2,400 are members of unions covered by multi-year collective-bargaining agreements.

WHAT WE DO

This section provides information about how we:

• grow and harvest trees,

• maximize the value of every acre we own and

• manufacture and sell wood products.

For each of our business segments, we provide details about what we do, where we do it, how much we sell and where we are headed.

TIMBERLANDS

Our Timberlands segment manages 11.5 million acres of private commercial timberlands in the U.S. We own 10.8 million of those acres and control the remaining acres through long-term contracts. In addition, we have renewable, long-term licenses on 14.0 million acres of Canadian timberlands.

WHAT WE DO

Forestry Management

Our Timberlands segment:

• plants seedlings to reforest harvested areas using the most effective regeneration method for the site and species (natural regeneration is employed and managed in parts of Canada and the northern U.S.);

• manages our timberlands as the trees grow to maturity;

• harvests trees to be converted into lumber, wood products, pellets, pulp and paper;

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 2

• manages the health of our forests to sustainably maximize harvest volumes, minimize risks, and protect unique environmental, cultural, historical and recreational value and

• offers recreational access.

We seek to maximize the returns from our timberlands by selling delivered logs and through stumpage sales to both internal and external customers. We leverage our expertise in forestry using research and planning systems to optimize log production and innovative planting and harvesting techniques across varying terrain. We use intensive, customized silviculture to increase forest productivity and returns while managing our forests on a sustainable basis. We use our scale, infrastructure and supply chain expertise to deliver reliable and consistent supply to our customers.

Competitive factors within each of our market areas generally include price, species, grade, quality, proximity to wood consuming facilities and the ability to consistently meet customer requirements. We compete in the marketplace through our ability to provide customers with a consistent and reliable supply of high-quality logs at scale volumes and competitive prices. Our customers also value our status as a Sustainable Forestry Initiative® (SFI) certified supplier.

Sustainable Forestry Practices

We manage our forests intensively to maximize the value of every acre and produce a sustainable supply of wood fiber for our customers. At the same time, we are careful to protect biological diversity, water quality and other ecosystem values. Our working forests also provide unique environmental, cultural, historical and recreational value. We work hard to protect these and other qualities, while still managing our forests to produce financially mature timber. We follow regulatory requirements, voluntary standards and certify 100 percent of our North American timberlands under the SFI Forest Management Standard.

Canadian Forestry Operations

In Canada, we manage timberlands under long-term licenses that provide the primary source of the raw material for our manufacturing facilities in various provinces. When we harvest trees, we pay the provinces at stumpage rates set by the government. We transfer logs to our manufacturing facilities at cost and do not generate any significant profit from the harvest of timber from the licensed acres in Canada.

Timberlands Products

PRODUCTS	HOW THEY’RE USED
Delivered logs: • Grade logs • Fiber logs	Grade logs are made into lumber, plywood, veneer and other products used in residential homes, commercial structures, furniture, industrial and decorative applications. Fiber logs are sold to pulp, paper and oriented strand board mills to make products used for printing, writing, packaging, homebuilding and consumer products, as well as into renewable energy and pellets.
Timber	Standing timber is sold to third parties through stumpage sales.
Recreational leases	Timberlands are leased or permitted for recreational purposes.
Other products	Seed and seedlings grown in the U.S. and wood chips.

HOW WE MEASURE OUR PRODUCT

We use multiple units of measure when transacting business including:

• Thousand board feet (MBF) — used in the West to measure the expected lumber recovery from a tree or log and

• Green tons (GT) — used in the South to measure weight; factors used for conversion to product volume can vary by species, size, location and season.

We report Timberlands volumes in ton equivalents.

WHERE WE DO IT

As of December 31, 2019, we sustainably managed timberlands in 19 states. This included owned or contracted acres in the following locations:

• 2.9 million acres in the western U.S. (Oregon and Washington);

• 6.8 million acres in the southern U.S. (Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Texas and Virginia) and

• 1.8 million acres in the northern U.S. (Maine, Montana, New Hampshire, Vermont, West Virginia and Wisconsin).

In Canada, we manage timberlands under long-term licenses that provide raw material for our manufacturing facilities. These licenses are in Alberta, British Columbia, Ontario and Saskatchewan.

Our total timber inventory — including timber on owned and contracted land — is approximately 595 million tons. The amount of timber inventory does not translate into an amount of lumber or panel products because the quantity of end products varies according to the species, size and quality of the timber and will change over time as these variables adjust.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 3

We maintain our timber inventory in an integrated resource inventory system and geographic information system (GIS). The resource inventory component of the system is proprietary and is largely based on internally developed methods, including growth and yield models developed by our research and development organization. The GIS component is based on GIS software that is viewed as the standard in our industry.

Timber inventory data collection and verification techniques include the use of industry standard field sampling procedures as well as proprietary remote sensing technologies in some geographies. The data is collected and maintained at the timber stand level.

We also own and operate nurseries and seed orchards in Alabama, Arkansas, Georgia, Louisiana, Mississippi, Oregon, South Carolina and Washington.

Summary of 2019 Standing Timber Inventory

GEOGRAPHIC AREA	MILLIONS OF TONS AT DECEMBER 31, 2019
	TOTAL INVENTORY(1)
U.S.:
West
Douglas fir/Cedar		161
Whitewood		31
Hardwood		13
Total West		205
South
Southern yellow pine		258
Hardwood		82
Total South		340
North
Conifer		25
Hardwood		25
Total North		50
Total Company		595

(1) Inventory includes all conservation and non-harvestable areas.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 4

Summary of 2019 Timberland Locations

GEOGRAPHIC AREA	THOUSANDS OF ACRES AT DECEMBER 31, 2019
	FEE OWNERSHIP		LONG-TERM CONTRACTS		TOTAL ACRES(1)
U.S.:
West
Oregon		1,591		—		1,591
Washington		1,297		—		1,297
Total West		2,888		—		2,888
South
Alabama		385		201		586
Arkansas		1,208		18		1,226
Florida		222		83		305
Georgia		601		50		651
Louisiana		1,017		351		1,368
Mississippi		1,128		52		1,180
North Carolina		561		—		561
Oklahoma		494		—		494
South Carolina		275		—		275
Texas		16		2		18
Virginia		123		—		123
Total South		6,030		757		6,787
North
Maine		834		—		834
Montana(2)		631		—		631
New Hampshire		24		—		24
Vermont		86		—		86
West Virginia		255		—		255
Wisconsin		4		—		4
Total North		1,834		—		1,834
Total Company		10,752		757		11,509

(1) Acres include all conservation and non-harvestable areas.

(2) In December 2019, we announced an agreement to sell our Montana timberlands. The sale is expected to close in second quarter 2020. Refer to Note 4: Divestitures and Assets Held for Sale for further information on the Montana timberlands sale.

We provide a year-round flow of logs to internal and external customers. We sell grade and fiber logs to manufacturers that produce a diverse range of products. We also sell standing timber to third parties and lease land for recreational purposes. Our timberlands are generally well located to take advantage of road, logging and transportation systems for efficient delivery of logs to customers.

Western United States

Our Western timberlands are well situated to serve the wood products and pulp markets in Oregon and Washington. Additionally, our location on the West Coast provides access to higher-value export markets for Douglas fir and whitewood logs to Japan, China and Korea. Our largest export market is Japan, where Douglas fir is the preferred species for higher-valued post and beam homebuilding. The size and quality of our Western timberlands, coupled with their proximity to several deep-water port facilities, competitively positions us to meet the needs of Pacific Rim log markets. For the year ended December 31, 2019, we sold 28 percent of our total Western log sales volume internally.

Our holdings are composed primarily of Douglas fir, a species highly valued for its structural strength, stiffness and appearance. Most of our lands are located on the west side of the Cascade Mountain Range with soil and rainfall conditions considered favorable for growing this species. Approximately 80 percent of our lands are in established Douglas fir plantations. Our remaining holdings include a mix of whitewood and hardwood.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 5

Our management systems and supply chain expertise provide us a competitive operating advantage in a number of areas including forestry and research, harvesting, marketing and logistics. Additionally, our scale, diversity of timberlands ownership and infrastructure on the West Coast allow us to consistently and reliably supply logs to our internal and external customers year-round.

We sell recreational use permits covering approximately 2 million acres of our owned Western timberlands.

2019 Western U.S. Inventory by Species

2019 Western U.S. Inventory by Age / Species

The average age of timber harvested from our Western timberlands in 2019 was 50 years. In accordance with our sustainable forestry practices, we harvest approximately 2 percent of our Western acreage each year.

Southern United States

Our Southern timberland ownership, covering 11 states, is well situated to serve domestic wood products and pulp markets, including third-party customers and our own mills. For the year ended December 31, 2019, we sold 24 percent of our total Southern log sales volume internally. Additionally, our Atlantic and Gulf coastal locations position us to serve an emerging Asian log export market. Our log inventory is comprised of 76 percent Southern yellow pine and 24 percent hardwoods.

Operationally, we focus on efficiently harvesting and hauling logs from our ownership and capitalizing on our scale and supply chain expertise to consistently and reliably serve a broad range of customers through seasonal and weather-related events year-round.

We lease approximately 95 percent of our owned Southern acreage for recreational purposes.

2019 Southern U.S. Inventory by Species

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 6

2019 Southern U.S. Inventory by Age / Species

The average age of timber harvested from our Southern timberlands in 2019 was 29 years. In accordance with our sustainable forestry practices, we harvest approximately 3 percent of our acreage each year in the South.

Northern United States

We are one of the largest private owners of northern hardwood timberlands. Our Northern acres contain a diverse mix of temperate broadleaf hardwoods and mixed conifer species across timberlands located in six states. We grow over 50 species and market over 500 product grades to a diverse mix of customers.

Our large-diameter cherry, red oak and hard maple sawlogs and veneer logs serve domestic and export furniture markets. Our maple and other appearance woods are used in furniture and high-value decorative applications. In addition to high-value hardwood sawlogs, our mix includes hardwood fiber logs for pulp and oriented strand board applications. Hardwood pulpwood is a significant market in the Northern region and we have long-term supply agreements, primarily at market rates, for nearly 95 percent of our hardwood pulp production.

We also grow softwood logs that supply our lumber and plywood mills and other customers. Our competitive advantages include a merchandising program to capture the value of the premium hardwood logs.

Regeneration is predominantly natural, augmented by planting where appropriate.

2019 Northern U.S. Inventory by Species

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 7

2019 Northern U.S. Inventory by Age / Species

The average age of timber harvested from our Northern timberlands in 2019 was 63 years. Timber harvested in the North is sold predominantly as delivered logs to domestic mills, including our manufacturing facilities. For the year ended December 31, 2019, we sold 9 percent of our total Northern log sales volume internally. In accordance with our sustainable forestry practices, we harvest approximately 1 percent of our acreage each year in the North.

Canada — Licensed Forestlands

We manage forestlands in Canada under long-term licenses from the provincial governments to secure volume for our manufacturing facilities in various provinces. The provincial governments regulate the volume of timber that may be harvested each year through Annual Allowable Cuts (AAC), which are updated every 10 years. As of December 31, 2019, our AAC by province was:

• Alberta — 2,221 thousand tons,

• British Columbia — 547 thousand tons,

• Ontario — 154 thousand tons and

• Saskatchewan — 633 thousand tons.

When the volume is harvested, we pay the province for that volume at stumpage rates set by the government. The harvested logs are transferred to our manufacturing facilities at cost (stumpage plus harvest, haul and overhead costs less any margin on selling logs to third parties). Any profit from harvesting the log through converting to finished products is recognized at the respective mill in our Wood Products segment.

In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

Summary of License Arrangements

GEOGRAPHIC AREA	THOUSANDS OF ACRES AT DECEMBER 31, 2019
TOTAL ACRES
Province:
Alberta		5,399
British Columbia		1,014
Ontario(1)		2,574
Saskatchewan(1)		4,987
Total Canada		13,974

(1) License is managed by partnership.

HOW MUCH WE HARVEST

Our fee harvest volumes are managed sustainably across all regions to ensure the preservation of long-term economic value of the timber and to capture maximum value from the markets. This is accomplished by ensuring annual harvest schedules target financially mature timber and reforestation activities align with the growing of timber through its life cycle to financial maturity.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 8

Five-Year Summary of Timberlands Fee Harvest Volumes

FEE HARVEST VOLUMES IN THOUSANDS OF TONS(1)
	2019		2018		2017		2016		2015
West		9,237		9,571		10,083		11,083		10,563
South		26,278		26,708		27,149		26,343		14,113
North(2)		2,042		2,129		2,205		2,044		—
Uruguay(3)		—		—		822		1,119		980
Other(4)		—		—		1,384		701		—
Total		37,557		38,408		41,643		41,290		25,656

(1) In February 2016, we merged with Plum Creek.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Our Uruguay operations were divested in September 2017. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(4) Other consisted of volumes managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

Five-Year Summary of Timberlands Fee Harvest Volumes - Percentage of Grade and Fiber

PERCENTAGE OF GRADE AND FIBER(1)
		2019			2018			2017			2016			2015
West	Grade		89	%		90	%		89	%		87	%		87	%
	Fiber		11	%		10	%		11	%		13	%		13	%
South	Grade		49	%		51	%		52	%		52	%		59	%
	Fiber		51	%		49	%		48	%		48	%		41	%
North(2)	Grade		37	%		46	%		49	%		47	%		—	%
	Fiber		63	%		54	%		51	%		53	%		—	%
Uruguay(3)	Grade		—	%		—	%		69	%		66	%		65	%
	Fiber		—	%		—	%		31	%		34	%		35	%
Other(4)	Grade		—	%		—	%		47	%		45	%		—	%
	Fiber		—	%		—	%		53	%		55	%		—	%
Total	Grade		59	%		62	%		63	%		64	%		73	%
	Fiber		41	%		38	%		37	%		36	%		27	%

(1) In February 2016, we merged with Plum Creek.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Our Uruguay operations were divested in September 2017. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(4) Other consisted of volumes managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

HOW MUCH WE SELL

Our net sales to unaffiliated customers over the last two years were:

• $1.6 billion in 2019 and

• $1.9 billion in 2018.

Our intersegment sales over the last two years were:

• $503 million in 2019 and

• $537 million in 2018.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 9

Five-Year Summary of Net Sales for Timberlands

NET SALES IN MILLIONS OF DOLLARS(1)(2)
	2019		2018		2017		2016		2015
Net sales to unaffiliated customers:
Delivered logs:
West	$	740	$	987	$	915	$	865	$	830
South		640		625		616		566		241
North(3)		92		99		95		91		—
Other(4)		—		—		23		14		13
Total		1,472		1,711		1,649		1,536		1,084
Stumpage and pay-as-cut timber		42		59		73		85		37
Uruguay operations(5)		—		—		63		79		87
Recreational lease revenue		61		59		59		44		25
Other products(6)		43		44		49		36		16
Subtotal net sales to unaffiliated customers		1,618		1,873		1,893		1,780		1,249
Intersegment net sales		503		537		522		592		560
Total	$	2,121	$	2,410	$	2,415	$	2,372	$	1,809

(1) In February 2016, we merged with Plum Creek.

(2) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands segment. We have conformed prior year presentations with the current year.

(3) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(4) Other delivered logs included sales from timberlands managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

(5) Our Uruguay operations were divested in September 2017. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(6) Other products include sales of seeds and seedlings from our nursery operations and wood chips.

Five-Year Trend for Total Net Sales in Timberlands

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 10

Percentage of 2019 Sales Dollars to Unaffiliated Customers

Log Sales Volume

Our sales volume includes fee timber, as well as logs purchased in the open market. Domestic and export logs are sold at market prices to both unaffiliated customers and our internal mills.

Our log sales volumes to unaffiliated customers over the last two years were:

• 26,963 thousand tons in 2019 and

• 27,494 thousand tons in 2018.

We sell three grades of logs — domestic grade, domestic fiber and export. Factors that may affect log sales in each of these categories include:

• domestic grade log sales — lumber usage, primarily for housing starts and repair and remodel activity, the needs of our own mills and the availability of logs from both outside markets and our own timberlands;

• domestic fiber log sales — demand for wood chips by pulp, containerboard mills, pellet mills and oriented strand board mills and

• export log sales — the level of housing starts in Japan and construction in China, as well as availability of logs from other countries, particularly for China.

Five-Year Summary of Log Sales Volume to Unaffiliated Customers

SALES VOLUME IN THOUSANDS(1)(2)
	2019		2018		2017		2016		2015
Logs – tons:
West		7,173		7,858		8,202		8,713		8,212
South		18,232		18,008		17,895		15,967		6,480
North(3)		1,558		1,628		1,574		1,500		—
Uruguay (4)		—		—		291		470		714
Other (5)		—		—		693		122		—
Total		26,963		27,494		28,655		26,772		15,406

(1) In February 2016, we merged with Plum Creek.

(2) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands segment. We have conformed prior year presentations with the current year.

(3) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(4) Our Uruguay operations were divested in September 2017. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(5) Other delivered logs included sales from timberlands managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

Log Prices

The majority of our log sales to unaffiliated customers involve sales to domestic sawmills and the export market. Log prices in the following tables are on a delivered (mill) basis.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 11

Five-Year Summary of Published Domestic Log Prices (#2 Sawlog Bark On — $/MBF)

Five-Year Summary of Export Log Prices (#2 Sawlog Bark On — $/MBF)

Log prices are affected by the supply of and demand for grade and fiber logs. Export log prices are particularly affected by the Japanese housing market, Chinese construction activity and the availability of logs.

WHERE WE’RE HEADED

Our competitive strategies include:

• continuing to capitalize on our scale of operations, silviculture and supply chain expertise and sustainability practices;

• improving cash flow through operational excellence initiatives including merchandising for value, harvest and transportation efficiencies as well as focused silviculture investments to improve forest productivity;

• leveraging our export and domestic market access, infrastructure and strong customer relationships;

• increasing our recreational lease revenue and

• continuing to maximize the value of our timberlands portfolio by managing the acres to achieve the highest and best use.

REAL ESTATE, ENERGY AND NATURAL RESOURCES

Our Real Estate & ENR segment maximizes the value of our timberland ownership through application of our asset value optimization (AVO) process and captures the full value of surface and subsurface assets, such as oil, natural gas, minerals and wind and solar resources.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 12

WHAT WE DO

Real Estate

Properties that exhibit higher use value than as commercial timberlands are monetized by our Real Estate business over time. We analyze our existing U.S. timberland holdings using a process we call AVO. We start with understanding the value of a parcel operating as commercial timberlands and then assess the specific real estate attributes of the parcel and its corresponding market. The assessment includes demographics, infrastructure and proximity to amenities and recreation to determine the potential to realize a premium value to commercial timberland. Attributes can evolve over time, and accordingly, the assignment of value and opportunity can change. We continually revisit our AVO assessment of all our timberland acres.

These properties are acres we expect to sell for recreational, conservation, commercial or residential purposes over time. We will entitle a small amount of acres to support development. Development, outside of entitlement activities, is typically performed by third parties. Some of our real estate activities are conducted through our TRSs.

Occasionally, we sell a small amount of timberlands acreage in areas where we choose to reduce our market presence and capture a price that exceeds the value derivable from holding and operating as commercial timberlands. These transactions will vary based on factors including the locations and physical characteristics of the timberlands.

The timing of real estate sales is a function of many factors, including the general state of the economy, demand in local real estate markets, the ability of buyers to obtain financing, the number of competing properties listed for sale, the seasonal nature of sales (particularly in the Northern states), the plans of adjacent landowners, our expectation of future price appreciation, the timing of the harvesting activities and the availability of government and not-for-profit funding. In any period, the average sales price per acre will vary based on the location and physical characteristics of parcels sold.

Energy and Natural Resources

We focus on maximizing potential opportunities for oil, natural gas, construction materials, industrial minerals, renewable energy (including wind and solar energy), rights of way easements on our timberlands portfolio and retained mineral interests.

As the owner of mineral rights and interests, we typically do not invest in development or operations but, instead, enter into contracts with operators granting them the rights to explore and sell energy and natural resources produced from our property in exchange for rents and royalties.

We generally reserve mineral rights when selling timberlands acreage. Some Energy and Natural Resources activities are conducted through our TRSs.

Real Estate, Energy and Natural Resources Sources of Revenue

SOURCES	ACTIVITIES
Real Estate	• Select timberland tracts are sold for recreational, conservation, commercial or residential purposes.
Energy and Natural Resources	• Rights are granted to explore, extract and sell construction aggregates (rock, sand and gravel), industrial materials and oil and natural gas. • Ground leases and easements are granted to wind and solar developers to generate renewable electricity from our timberlands. • Rights are granted to access and utilize timberland acreage for communications, pipeline, powerline and transportation rights of way.

WHERE WE DO IT

Our Real Estate business identifies opportunities to realize premium value for our U.S. owned timberland acreage.

The majority of our Energy and Natural Resources revenue sources are located in Oregon, Washington, South Carolina and Georgia (construction material royalties); as well as the Gulf South and West Virginia (oil and natural gas royalties).

HOW MUCH WE SELL

Our net sales to unaffiliated buyers over the last two years were:

• $313 million in 2019 and

• $306 million in 2018.

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Five-Year Summary of Net Sales for Real Estate, Energy and Natural Resources

NET SALES IN MILLIONS OF DOLLARS(1)(2)
	2019		2018		2017		2016		2015
Net Sales:
Real Estate	$	225	$	229	$	208	$	172	$	75
Energy and Natural Resources		89		78		73		54		26
Total	$	314	$	307	$	281	$	226	$	101

(1) In February 2016, we merged with Plum Creek.

(2) Amounts include net sales to unaffiliated buyers as well as intersegment sales.

Five-Year Summary of Real Estate Sales Statistics

REAL ESTATE SALES STATISTICS(1)
	2019		2018		2017		2016		2015
Acres sold		113,315		131,575		97,235		82,687		27,390
Average price per acre	$	1,848	$	1,701	$	2,079	$	2,072	$	2,490

(1) In February 2016, we merged with Plum Creek.

WHERE WE’RE HEADED

Our competitive strategies include:

• continuing to apply the AVO process to identify opportunities to capture a premium to timber value;

• maintaining a flexible, low-cost execution model by continuing to leverage strategic relationships with outside real estate brokers;

• capturing the full value of our oil and natural gas, aggregates and industrial minerals and wind renewable energy resources and

• delivering the most value from every acre.

WOOD PRODUCTS

We are a large manufacturer and distributor of wood products in North America.

WHAT WE DO

Our wood products segment:

• manufactures high-quality structural lumber, oriented strand board, engineered wood products and other specialty products for the residential, multi-family, industrial, light commercial and repair and remodel markets;

• distributes our products as well as complementary building products that we purchase from other manufacturers and

• exports our structural lumber and engineered wood products, primarily to Asia.

Wood Products Sources of Revenue

PRODUCTS	HOW THEY’RE USED
Structural lumber	Structural framing for new residential, repair and remodel, treated applications, industrial and commercial structures.
Oriented strand board	Structural sheathing, subflooring and stair tread for residential, multi-family and commercial structures.
Engineered wood products • Solid section • I-joists • Softwood plywood • Medium density fiberboard	Structural elements for residential, multi-family and commercial structures such as floor and roof joists, headers, beams, subflooring and sheathing. Medium density fiberboard products for store fixtures, molding, doors and cabinet components.
Other products	Wood chips and other byproducts.
Complementary building products	Complementary building products such as cedar, decking, siding, insulation and rebar sold in our distribution facilities.

WHERE WE DO IT

We operate manufacturing facilities in the United States and Canada. We distribute through a combination of Weyerhaeuser distribution centers and third-party distributors. Information about the locations, capacities and actual production of our manufacturing facilities is included below.

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Summary of Wood Products Capacities and Principal Manufacturing Locations as of December 31, 2019

CAPACITIES IN MILLIONS
	PRODUCTION CAPACITY		NUMBER OF FACILITIES		FACILITY LOCATIONS
Structural lumber – board feet		5,188		19	Alabama, Arkansas, Louisiana (2), Mississippi (3), Montana, North Carolina (3), Oklahoma, Oregon (2), Washington (2), Alberta (2), British Columbia
Oriented strand board – square feet (3/8”)		3,035		6	Louisiana, Michigan, North Carolina, West Virginia, Alberta, Saskatchewan
Engineered solid section – cubic feet(1)		42		6	Alabama, Louisiana, Oregon, West Virginia, British Columbia, Ontario
Softwood plywood – square feet (3/8”)		610		3	Arkansas, Louisiana, Montana
Medium density fiberboard – square feet (3/4")		265		1	Montana

(1) This represents total press capacity. Three facilities also produce I-joist to meet market demand. In 2019, approximately 25 percent of the total press production was converted into 182 lineal feet of I-joist.

Production capacities listed represent annual production volume under normal operating conditions and producing a normal product mix for each individual facility.

We also own or lease 18 distribution centers in the U.S. where our products and complementary building products are sold.

Five-Year Summary of Wood Products Production

PRODUCTION IN MILLIONS(1)
	2019		2018		2017		2016		2015
Structural lumber – board feet		4,705		4,541		4,509		4,516		4,252
Oriented strand board – square feet (3/8”)		2,969		2,837		2,995		2,910		2,847
Engineered solid section – cubic feet(2)		22.6		24.3		25.1		22.8		20.9
Engineered I-joists – lineal feet(2)		182		191		213		184		185
Softwood plywood – square feet (3/8”)(3)		386		404		370		396		248
Medium density fiberboard – square feet (3/4")		202		220		232		209		—

(1) In February 2016, we merged with Plum Creek.

(2) Our engineered solid section facilities also may produce engineered I-joists.

(3) All of our plywood facilities also produce veneer.

HOW MUCH WE SELL

Revenues of our Wood Products segment come from sales to wood products dealers, do-it-yourself retailers, builders and industrial users. Wood Products net sales were $4.6 billion in 2019 and $5.3 billion in 2018.

Five-Year Summary of Net Sales for Wood Products

NET SALES IN MILLIONS OF DOLLARS(1)
	2019		2018		2017		2016		2015
Structural lumber	$	1,892	$	2,258	$	2,058	$	1,839	$	1,741
Oriented strand board		632		891		904		707		595
Engineered solid section		510		521		500		450		428
Engineered I-joists		323		336		336		290		284
Softwood plywood		161		200		176		174		129
Medium density fiberboard		166		177		183		158		—
Other products produced(2)		337		330		325		226		213
Complementary building products		602		584		541		515		506
Total	$	4,623	$	5,297	$	5,023	$	4,359	$	3,896

(1) In February 2016, we merged with Plum Creek.

(2) Other products produced sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations. In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales within other products produced. We have conformed prior year presentations with the current year.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 15

Five-Year Trend for Total Net Sales in Wood Products

Percentage of 2019 Net Sales Dollars in Wood Products

Wood Products Volume

Five-Year Summary of Sales Volume for Wood Products

SALES VOLUME IN MILLIONS(1)(2)
	2019		2018		2017		2016		2015
Structural lumber – board feet		4,857		4,684		4,658		4,723		4,588
Oriented strand board – square feet (3/8”)		2,916		2,827		2,971		2,934		2,972
Engineered solid section – cubic feet		23.2		24.3		25.1		23.3		21.3
Engineered I-joists – lineal feet		192		204		220		195		188
Softwood Plywood – square feet (3/8”)		445		459		453		481		381
Medium density fiberboard – square feet (3/4")		200		212		222		206		—

(1) Sales volume includes sales of internally produced products as well as complementary building products sold primarily through our distribution centers.

(2) In February 2016, we merged with Plum Creek.

Wood Products Prices

Prices for commodity wood products — structural lumber, oriented strand board (OSB) and softwood plywood — declined in 2019 from 2018.

In general, the following factors influence sales realizations for wood products:

• Demand for wood products used in residential and multi-family construction and the repair and remodel of existing homes affects prices. Residential and multi-family construction is influenced by factors such as population growth and other demographics, availability of labor and lots, the level of employment, consumer confidence, consumer income, availability of financing and interest rate levels, and the supply and pricing of existing homes on the market. Repair and remodel activity is affected by the size and age of existing housing inventory and access to home equity financing and other credit.

• The supply of commodity building products such as structural lumber, OSB and softwood plywood affects prices. A number of factors can influence supply, including changes in production capacity and utilization rates, weather, raw material supply and availability of transportation.

The following graphs reflect product price trends for the past five years.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 16

Five-Year Summary of Published Lumber Prices — $/MBF

Five-Year Summary of Published Oriented Strand Board Prices — $/MSF

WHERE WE’RE HEADED

Our competitive strategies include:

• achieving industry-leading controllable manufacturing costs through operational excellence and disciplined capital execution;

• aligning strongly with fiber supply;

• leveraging our brand and reputation as the preferred provider of quality building products and

• pursuing disciplined, profitable sales growth in target markets.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 17

INFORMATION ABOUT OUR EXECUTIVE OFFICERS

Adrian M. Blocker, 63, has been senior vice president, Timberlands, since January 2019. Previously, he served as senior vice president, Wood Products, from January 2015 to January 2019. He joined the company in May 2013 as vice president, Lumber. Prior to joining the company, he served as CEO of the Wood Products Council. He has held numerous leadership positions in the industry focused on forest management, fiber procurement, consumer packaging, strategic planning, business development and manufacturing, at companies including West Fraser, International Paper and Champion International.

Russell S. Hagen, 54, has been senior vice president and chief financial officer since February 2016. Previously, he served as senior vice president, Business Development, at Plum Creek from December 2011 to February 2016. Prior to this he was vice president, Real Estate Development, overseeing the development activities of the company's real estate, oil and gas, construction materials and bioenergy businesses. Mr. Hagen began his career in 1988 with Coopers and Lybrand, where he was a certified public accountant and led the audits of public clients in technology, banking and natural resource industries. He joined Plum Creek in 1993 as Manager of Internal Audit and held director-level positions in accounting, financial operations, risk management and information technology.

Kristy T. Harlan, 46, has been senior vice president, general counsel and corporate secretary since January 2017. She leads the company's Law department, with responsibility for global legal, compliance, enterprise risk management, procurement and land title functions. Before joining the company, she was a partner at K&L Gates LLP from January 2007 to November 2016. Previously, she worked as an attorney at Preston Gates & Ellis LLP and Akin Gump Strauss Hauer & Feld LLP.

James A. Kilberg, 63, has been senior vice president, Real Estate, Energy and Natural Resources, since April 2016. In this position, he oversees the company's real estate development, land asset management, conservation, mitigation banking, recreational lease management, oil and gas, construction materials, heavy minerals, wind and solar. Prior to joining the company, he served as Plum Creek's senior vice president, Real Estate, Energy and Natural Resources, from 2006 to February 2016, and as Plum Creek’s vice president, Land Management, from 2001 to 2006. Prior to joining Plum Creek, Mr. Kilberg held several executive positions in real estate, asset management and development.

Denise M. Merle, 56, has been senior vice president and chief administration officer since February 2018. Previously, she served as senior vice president, Human Resources and Information Technology, from February 2016 to February 2018 and senior vice president, Human Resources and Investor Relations, from February 2014 to February 2016. She was director, Finance and Human Resources, for the Lumber business from 2013 to 2016. Prior to that, she was director, Compliance & Enterprise Planning, from 2009 to 2013, and director, Internal Audit, from 2004 to 2009. She has also held various roles in the company's paper and packaging businesses, including finance, capital planning and analysis, and business development. She is a licensed CPA in the state of Washington.

Keith J. O'Rear, 57, has been senior vice president, Wood Products, since January 2019. Previously, he was vice president of Wood Products sales and marketing from 2017 to 2018 and vice president of Wood Products Manufacturing for the company's Mid-South region from 2014 to 2017. Mr. O'Rear led the company's Timberlands operations in Oklahoma and Arkansas from 2013 to 2014, and prior to that he held various manufacturing leadership roles at the company's lumber mills in Dierks, Arkansas, and Idabel, Oklahoma. He also led a variety of initiatives for the company in the areas of safety, reliability, strategic planning and large capital projects.

Devin W. Stockfish, 46, has been president and chief executive officer and a member of the company’s board of directors since January 2019. Previously, he served as senior vice president, Timberlands, from January 2018 to December 2018 and as vice president, Western timberlands, from January 2017 to December 2017. He also served as senior vice president, general counsel and corporate secretary, from July 2014 to December 2016 and as assistant general counsel from March 2013 to July 2014. Before joining the company in March 2013, he was vice president and associate general counsel at Univar Inc. where he focused on mergers and acquisitions, corporate governance and securities law. Previously, he was an attorney in the law department at Starbucks Corporation and practiced corporate law at K&L Gates LLP. Before he began practicing law, Mr. Stockfish was an engineer with the Boeing Company.

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NATURAL RESOURCE AND ENVIRONMENTAL MATTERS

We are subject to a multitude of laws and regulations in the operation of our businesses. We also participate in voluntary certification of our timberlands to ensure that we sustain their overall quality, including the protection of wildlife and water quality. Changes in law and regulation, or certification standards, can significantly affect our business.

REGULATIONS AFFECTING FORESTRY PRACTICES

In the United States, regulations established by federal, state and local government agencies to protect water quality, wetlands and other wildlife habitat could affect future harvests and forest management practices on our timberlands. Forest practice laws and regulations that affect present or future harvest and forest management activities in certain states include:

• limits on the size of clearcuts,

• requirements that some timber be left unharvested to protect water quality and fish and wildlife habitat,

• regulations regarding construction and maintenance of forest roads,

• rules requiring reforestation following timber harvest,

• regulations on the use of pesticides and herbicides and

• various related permit programs.

Each state in which we own timberlands has developed best management practices to reduce the effects of forest practices on water quality and aquatic habitats. Additional and more stringent regulations may be adopted by various state and local governments to achieve water-quality standards under the federal Clean Water Act, protect fish and wildlife habitats, human health, or achieve other public policy objectives.

In Canada, our forest operations are carried out on public timberlands under forest licenses with the provinces. All forest operations in Canada are subject to:

• forest practices and environmental regulations and

• license requirements established by contract between us and the relevant province designed to:

- protect environmental values and

- encourage other stewardship values.

In Canada, 21 member companies of the Forest Products Association of Canada (FPAC), including Weyerhaeuser’s Canadian subsidiary, announced in May 2010 the signing of a Canadian Boreal Forest Agreement (CBFA) with nine environmental organizations. The CBFA applies to approximately 72 million hectares of public forests licensed to FPAC members and, when fully implemented, was expected to lead to the conservation of significant areas of Canada’s boreal forest and protection of boreal species at risk, in particular, woodland caribou. While the CBFA mandate came to an end in 2017, CBFA signatories continue to work on management plans with provincial governments and seek the participation of aboriginal and local communities in advancing the goals of the CBFA.

ENDANGERED SPECIES PROTECTIONS

In the United States, a number of fish and wildlife species that inhabit geographic areas near or within our timberlands have been listed as threatened or endangered under the federal Endangered Species Act (ESA) or similar state laws, including but not limited to:

• the northern spotted owl, the marbled murrelet, a number of salmon species, bull trout and steelhead trout in the Pacific Northwest;

• several freshwater mussel and sturgeon species and

• the red-cockaded woodpecker, gopher tortoise, dusky gopher frog, American burying beetle and Northern long-eared bat in the South or Southeast.

Additional species or populations may be listed as threatened or endangered as a result of pending or future citizen petitions or petitions initiated by federal or state agencies. In addition, significant citizen litigation seeks to compel the federal agencies to designate "critical habitat" for ESA-listed species, and many cases have resulted in settlements under which designations will be implemented over time. Such designations may adversely affect some management activities and options. Restrictions on timber harvests can result from:

• federal and state requirements to protect habitat for threatened and endangered species;

• regulatory actions by federal or state agencies to protect these species and their habitat and

• citizen suits under the ESA.

Such actions could increase our operating costs and affect timber supply and prices in general. To date, we do not believe that these measures have had, and we do not believe that in 2020 they will have, a significant effect on our harvesting operations. We anticipate that likely future actions will not disproportionately affect Weyerhaeuser as compared with comparable operations of U.S. competitors.

In Canada:

• The federal Species at Risk Act (SARA) requires protective measures for species identified as being at risk and for their critical habitat. Pursuant to SARA, Environment Canada continues to identify and assess species deemed to be at risk and their critical habitat.

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• In October 2012, the Canadian Minister of the Environment released a strategy for the recovery of the boreal population of woodland caribou under the SARA. The population and distribution objectives for boreal caribou across Canada are to (1) maintain the current status of existing, self-sustaining local caribou populations and (2) stabilize and achieve self-sustaining status for non-self-sustaining local caribou populations. Critical habitat for boreal caribou is identified for all boreal caribou ranges, except for northern Saskatchewan’s Boreal Shield range (SK1) where additional information is required for that population. Species assessment and recovery plans are developed in consultation with aboriginal communities and stakeholders.

• In 2017, the Provinces were required to update the federal government on any progress associated with their draft caribou range plans. These draft plans will be further evaluated in 2020, and any additional information on potential effects to forest harvest operations will be released.

The identification and protection of habitat and the implementation of range plans and land use action plans may, over time, result in additional restrictions on timber harvests and other forest management practices that could increase operating costs for operators of timberlands in Canada. To date, we do not believe that these Canadian measures have had, and we do not believe that in 2020 they will have, a significant effect on our harvesting operations. We anticipate that likely future measures will not disproportionately affect Weyerhaeuser as compared with similar operations of Canadian competitors.

FOREST CERTIFICATION STANDARDS

We operate in North America under the Sustainable Forestry Initiative^® (SFI). This is a certification standard designed to supplement government regulatory programs with voluntary landowner initiatives to further protect certain public resources and values. SFI is an independent standard, overseen by a governing board consisting of:

• conservation organizations,

• academia,

• the forest industry and

• large and small forest landowners.

Ongoing compliance with SFI may result in some increases in our operating costs and reduction of our timber harvests in some areas. There is also competition from other private certification systems, primarily the Forest Stewardship Council (FSC), coupled with efforts by supporters to further those systems by persuading customers of forest products to require products certified to their preferred system. Certain features of the FSC system could impose additional operating costs on timberland management. Because of the considerable variation in FSC standards, and variability in how those standards are interpreted and applied, if sufficient marketplace demand develops for products made from raw materials sourced from other than SFI-certified forests, we could incur substantial additional costs for operations and be required to reduce harvest levels.

WHAT THESE REGULATIONS AND CERTIFICATION PROGRAMS MEAN TO US

The regulatory and non-regulatory forest management programs described above have:

• increased our operating costs;

• resulted in changes in the value of timber and logs from our timberlands;

• contributed to increases in the prices paid for wood products and wood chips during periods of high demand;

• sometimes made it more difficult for us to respond to rapid changes in markets, extreme weather or other unexpected circumstances and

• potentially encouraged further reductions in the use of, or substitution of other products for, lumber, oriented strand board, engineered wood products and plywood.

We believe that these regulations and programs have not had, and in 2020 will not have, a significant effect on our total harvest of timber in the United States or Canada. However, these kinds of programs may have such an effect in the future. We expect we will not be disproportionately affected by these programs as compared with typical owners of comparable timberlands. We also expect that these programs will not significantly disrupt our planned operations over large areas or for extended periods.

CANADIAN ABORIGINAL RIGHTS

Many of the Canadian timberlands are subject to the constitutionally protected treaty or common-law rights of aboriginal peoples of Canada. Most of British Columbia (B.C.) is not covered by treaties, and as a result the claims of B.C.’s aboriginal peoples relating to forest resources have been largely unresolved. Nonetheless, the Supreme Court of Canada ruled that the Tsilhqot’in Nation holds aboriginal title to approximately 1,900 square kilometers in B.C., the first time the court has declared title to exist based on historical occupation by aboriginal peoples. Many aboriginal groups continue to be engaged in treaty discussions with the governments of B.C., other provinces and Canada.

Final or interim resolution of claims brought by aboriginal groups can be expected to result in:

• additional restrictions on the sale or harvest of timber,

• potential increase in operating costs and

• effect on timber supply and prices in Canada.

We believe that such claims will not have a significant effect on our total harvest of timber or production of forest products in 2020, although they may have such an effect in the future.

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POLLUTION-CONTROL REGULATIONS

Our operations are subject to various federal, state, provincial and local pollution control laws and regulations.

These laws and regulations, as well as market demands, impose controls with regard to:

• air, water and land;

• solid and hazardous waste management;

• waste disposal;

• remediation of contaminated sites and

• the chemical content of some of our products.

Compliance with these laws, regulations and demands usually involves capital expenditures as well as additional operating costs. We cannot easily quantify the future amounts of capital expenditures we might have to make to comply with these laws, regulations and demands or the effects on our operating costs because in some instances compliance standards have not been developed or have not become final or definitive. In addition, it is difficult to isolate the environmental component of most manufacturing capital projects.

Our capital projects typically are designed to:

• enhance safety,

• extend the life of a facility,

• lower costs and improve efficiency,

• improve reliability,

• increase capacity,

• facilitate raw material changes and handling requirements,

• increase the economic value of assets or products, and

• comply with regulatory standards.

ENVIRONMENTAL CLEANUP

We are involved in the environmental investigation or remediation of numerous sites. Of these sites:

• we may have the sole obligation to remediate,

• we may share that obligation with one or more parties,

• several parties may have joint and several obligations to remediate and

• we may have been named as a potentially responsible party for contaminated sites, including those designated as U.S. Superfund sites.

Our liability with respect to these various sites ranges from insignificant to substantial. The amount of liability depends on the:

• quantity, toxicity and nature of materials at the site and

• number and economic viability of the other responsible parties.

We spent approximately $5 million in 2019 and expect to spend approximately $9 million in 2020 on environmental remediation of these sites.

It is our policy to accrue for environmental-remediation costs when we:

• determine it is probable that such an obligation exists and

• can reasonably estimate the amount of the obligation.

Based on currently available information and analysis, we believe it is reasonably possible that our costs to remediate all the identified sites may exceed our current accruals of $61 million by up to $124 million. This estimate of the upper end of the range of reasonably possible additional costs is much less certain than the estimates we currently are using to determine how much to accrue. The estimate of the upper range also relies on assumptions less favorable to us among the range of reasonably possible outcomes.

REGULATION OF AIR EMISSIONS IN THE U.S.

The United States Environmental Protection Agency (EPA) has promulgated regulations for air emissions from:

• wood products facilities and

• industrial boilers.

These regulations cover:

• hazardous air pollutants that require use of maximum achievable control technology (MACT) and

• controls and/or monitoring for pollutants that contribute to smog, haze and more recently, greenhouse gases.

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The EPA has issued several rules relating to MACT standards and the emission of greenhouse gases from various energy-producing sources. Several court decisions have made the extent of applicability of these rules uncertain. Depending on the final outcomes of these decisions, these regulatory programs could affect our operations by increasing the cost of purchasing electricity or from mandated energy demand reductions that could apply to our mills and other facilities that we operate. The EPA is also expected to issue rules relating to biomass emissions, which is a significant source of energy at our mills. The effect of these existing and future emissions regulations, as well as related court decisions, on our operations remains uncertain. We continue to track and evaluate the litigation and regulatory developments but are not able to predict whether the regulations, when complete and implemented, will have a material effect on our operations.

To address concerns about greenhouse gases as a pollutant, we:

• closely monitor legislative, regulatory and scientific developments pertaining to climate change;

• adopted in 2006, as part of the company's sustainability program, a goal of reducing greenhouse gas emissions by 40 percent by 2020 compared with our emissions in 2000, assuming a comparable portfolio and regulations;

• determined to achieve this goal by increasing energy efficiency and using more greenhouse gas-neutral, biomass fuels instead of fossil fuels and

• reduced greenhouse gas emissions by over 50 percent considering changes in the asset portfolio according to 2018 data, compared to our 2000 baseline.

Additional factors that could affect regulation of greenhouse gas emissions in the future include:

• policy proposals by federal or state governments regarding regulation of greenhouse gas emissions,

• Congressional legislation regulating or taxing greenhouse gas emissions within the next several years and

• establishment of a multistate or federal greenhouse gas emissions reduction trading system with potentially significant implications for all U.S. businesses.

We believe these developments have not had, and in 2020 will not have, a significant effect on our operations. Although these measures could have a material adverse effect on our operations in the future, we expect that we will not be disproportionately affected by these measures as compared with owners of comparable operations. We maintain an active forestry research program to track and understand any potential effect from actual climate change related parameters that could affect the forests we own and manage and do not anticipate any disruptions to our planned operations.

REGULATION OF AIR EMISSIONS IN CANADA

Our wood products facilities are regulated in Canada under provincial air quality rules. The Canadian federal government has also proposed an air quality management system (AQMS) as a comprehensive national approach for improving air quality in Canada to go along with existing provincial air quality regulations. The AQMS includes:

• ambient air quality standards for outdoor air quality management across the country;

• a framework for air zone air management within provinces and territories that targets specific sources of air emissions;

• regional airsheds that facilitate coordinated action across borders;

• industrial sector-based emission requirements that set a national base level of performance for major industries in Canada and

• improved intergovernmental collaboration to reduce emissions from the transportation sector.

In addition to these existing and proposed regulations, Environment and Climate Change Canada, a Canadian federal agency, released the Pan-Canadian Framework on Clean Growth and Climate Change, a "Greenhouse Gas Emission Framework." The framework put in place a national, sector-based greenhouse gas reduction program applicable to a number of industries, including ours.

All Canadian provincial governments:

• have greenhouse gas reporting requirements,

• are working on reduction strategies and

• together with the Canadian federal government, are considering new or revised emission standards.

Along with clean air regulations, British Columbia, a province in which we operate, has adopted a carbon tax and Alberta, where we also have operations, has a mandatory greenhouse gas emission reduction regulation.

Although these and related regulations and measures have not had, and we do not expect in 2020 that they will have, a material effect on our operations, they could in the future.

REGULATION OF WATER IN THE U.S.

Our operations are regulated under the Clean Water Act, which regulates the discharge of pollutants into the waters of the U.S. This generally means obtaining permits for certain of our silviculture activities and abiding by applicable restrictions. Federal agency rulemaking and related litigation under the act has led to increased jurisdiction of the act by expanding the definition of waterways subject to the act’s regulation. This, in turn, has increased the number of required federal and state permits in some areas of our operations as it relates to the application of pesticides and herbicides on timberlands, which has increased operating costs. Pending and future federal and state rulemaking, and judicial challenges thereto, could make application of the Clean Water Act, as well as comparable state laws, more or less costly to Weyerhaeuser, and we are not able to predict the final resolution of these matters. Although this and related regulations have not had, and we do not expect in 2020 that they will have, a material effect on our operations, they could in the future.

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REGULATION OF WATER IN CANADA

Changes to the Canadian Federal Fisheries Act have moved the focus of that legislation from habitat protection to fisheries protection and increased penalties. We expect further changes to these regulations, but we cannot predict the scope or potential effect, if any, on our operations. Although this and related Canadian regulations have not had, and we do not expect in 2020 that they will have, a material effect on our operations, they could in the future.

POTENTIAL CHANGES IN POLLUTION REGULATION

State governments in the U.S. continue to promulgate total maximum daily load (TMDL) requirements for pollutants in water bodies that do not meet state or EPA water quality standards. State TMDL requirements may set:

• limits on pollutants that may be discharged to a body of water; or

• additional requirements, such as best management practices for nonpoint sources, including timberland operations, to reduce the amounts of pollutants.

Moreover, some states, including at least two in which we operate, have adopted or have introduced legislation to adopt human-health-based water quality standards. These requirements may alter or introduce restrictions on some of our silviculture activities, notably the application of pesticides and herbicides to our timberlands in some areas. In Canada, various levels of government have been working to address water issues including use, quality and management. Recent areas of focus include water allocation, regional watershed protection, protection of drinking water, water pricing and a national water quality index.

Although these developments have not had, and we do not expect in 2020 that they will have, a material effect on our operations, they could in the future.

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FORWARD-LOOKING STATEMENTS

This report contains statements concerning our future results and performance that are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements often reference or describe our expected future financial and operating performance; our plans, strategies, intentions and expectations; our operational excellence and other strategic initiatives, including those pertaining to operating and other costs, product development and production; estimated taxes and tax rates; future debt payments; future restructuring charges; expected results of litigation and other legal proceedings and contingent liabilities, and the sufficiency of litigation and other contingent liability reserves; expected uses of cash, including future dividends and share repurchases; expected capital expenditures; expected economic conditions, including markets, pricing and demand for our products; laws and regulations relevant to our businesses and our expectations relating to pension contributions, returns on invested pension plan assets and expected benefit payments.

Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. They often involve use of words such as expects, may, should, will, believes, anticipates, estimates, projects, intends, plans, targets or approximately, or similar words or terminology. They may use the positive, negative or another variation of those and similar words. These forward-looking statements are based on our current expectations and assumptions and are not guarantees of future events or performance. The realization of our expectations and the accuracy of our assumptions are subject to a number of risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. The factors listed below and those described under Risk Factors and Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A), as well as other factors not described herein because they are not currently known to us or we currently judge them to be immaterial, may cause our actual results to differ significantly from our forward-looking statements. There is no guarantee that any of the events anticipated by our forward-looking statements will occur. Or if any of the events occur, there is no guarantee what effect it will have on our operations, cash flows, or financial condition. We undertake no obligation to update our forward-looking statements after the date of this report.

RISKS, UNCERTAINTIES AND ASSUMPTIONS

Major risks and uncertainties, and assumptions that we make, that affect our business and may cause actual results to differ materially from the content of these forward-looking statements include, but are not limited to:

• the effect of general economic conditions, including employment rates, interest rate levels, housing starts, general availability of financing for home mortgages and the relative strength of the U.S. dollar;

• market demand for the company's products, including market demand for our timberland properties with higher and better uses, which is related to, among other factors, the strength of the various U.S. business segments and U.S. and international economic conditions;

• changes in currency exchange rates, particularly the relative value of the U.S. dollar to the Japanese yen, the Chinese yuan, and the Canadian dollar, and the relative value of the euro to the yen;

• restrictions on international trade and tariffs imposed on imports or exports;

• the availability and cost of shipping and transportation;

• economic activity in Asia, especially Japan and China;

• performance of our manufacturing operations, including maintenance and capital requirements;

• potential disruptions in our manufacturing operations;

• the level of competition from domestic and foreign producers;

• the successful execution of our internal plans and strategic initiatives, including restructuring and cost reduction initiatives;

• the successful and timely execution and integration of our strategic acquisitions, including our ability to realize expected benefits and synergies, and the successful and timely execution of our strategic divestitures, each of which is subject to a number of risks and conditions beyond our control including, but not limited to, timing and required regulatory approvals;

• raw material availability and prices;

• the effect of weather;

• changes in global or regional climate conditions and governmental response to such changes;

• the risk of loss from fires, floods, windstorms, hurricanes, pest infestation and other natural disasters;

• energy prices;

• transportation and labor availability and costs;

• federal tax policies;

• the effect of forestry, land use, environmental and other governmental regulations;

• legal proceedings;

• performance of pension fund investments and related derivatives;

• the effect of timing of employee retirements and changes in the market price of our common stock on charges for share-based compensation;

• the accuracy of our estimates of costs and expenses related to contingent liabilities;

• changes in accounting principles and

• other factors described in this report under Risk Factors and Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A).

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RISK FACTORS

We are subject to various risks and events that could adversely affect our business, our financial condition, our results of operations, our cash flows and the price of our common stock.

You should consider the following risk factors, in addition to the information presented elsewhere in this report, particularly in Our Business, Forward-Looking Statements and Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A), as well as in the filings we make from time to time with the SEC, in evaluating us, our business and an investment in our securities.

The risks discussed below are not the only risks we face. Additional risks not currently known to us or that we currently deem immaterial also may adversely affect our business.

RISKS RELATED TO OUR INDUSTRY

MACROECONOMIC CONDITIONS

The industries in which we operate are sensitive to macroeconomic conditions and consequently are highly cyclical.

The overall levels of demand for the products we manufacture and distribute reflect fluctuations in levels of end-user demand, which consequently affect our sales and profitability. End-user demand depends in large part on general macroeconomic conditions, both in the U.S. and globally, as well as on local economic conditions. The length and magnitude of industry cycles vary over time, both by market and by product, but generally reflect changes in macroeconomic conditions and levels of industry capacity. Any decline or stagnation in macroeconomic conditions could cause us to experience lower sales volume and reduced margins.

COMMODITY PRODUCTS

Many of our products are commodities that are widely available from other producers.

Because commodity products have few distinguishing properties from producer to producer, competition for these products is based primarily on price, which is determined by supply relative to demand and competition from substitute products. In addition, prices for our products are affected by many other factors outside of our control. As a result, we have little influence over the timing and extent of price changes, which often are volatile. Our profitability with respect to these products depends, in part, on managing our costs, particularly raw material, labor (including contract labor) and energy costs, which represent significant components of our operating costs and can fluctuate based upon factors beyond our control. Both sales and profitability of our products are subject to volatility due to market forces beyond our control.

INDUSTRY SUPPLY OF LOGS AND WOOD PRODUCTS

Excess supply of logs and wood products may adversely affect prices and margins.

Our industry may increase harvest levels, which could lead to an oversupply of logs. Wood products producers may likewise expand manufacturing capacity, which could lead to an oversupply of manufactured wood products. Any increase of industry supply to our markets could adversely affect our prices and margins.

HOMEBUILDING MARKET AND ECONOMIC RISKS

Low demand for new homes and home repair and remodeling can adversely affect our business and results of operations.

Our business is dependent upon the health of the U.S. housing market, and in particular on demand for new homes and home repair and remodeling. Demand in these markets is sensitive to changes in economic conditions such as the level of employment, consumer confidence, consumer income, the availability of financing and interest rate levels. Other factors that could limit or adversely affect demand for new homes and home repair and remodeling, and hence demand for our products, include factors such as changes in consumer preferences, limited wage growth, increases in non-mortgage consumer debt, any weakening in consumer confidence, and any increase in foreclosure rates and distress sales of houses.

Homebuyers’ ability to qualify for and obtain affordable mortgages could be affected by changes in interest rates, changes in home loan underwriting standards and government sponsored entities and private mortgage insurance companies supporting the mortgage market.

Access to affordable mortgage financing is critical to the health of the U.S. housing market. Generally, increases in interest rates make it more difficult for home buyers to obtain mortgage financing, which could negatively affect demand for housing and, in turn, negatively affect demand for our wood products. Interest rates have remained at historically low levels for an extended period of time, although the U.S. Federal Reserve has made both upward and downward adjustments in recent years. We cannot predict the timing, number, extent or direction of future rate adjustments.  

Along with prevailing interest rates, other significant factors affecting the demand for new homes relate to the ability of home buyers to obtain mortgage financing. During the last U.S. recession, credit requirements for home lending were severely tightened, and the number of mortgage loans available for financing home purchases were thereby severely reduced. Although the availability of credit has improved since that time, the housing market could be limited or adversely affected if credit requirements were to again tighten or become more restrictive for any reason.

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Additionally, the liquidity provided to the mortgage industry by Fannie Mae and Freddie Mac, both of which purchase home mortgages and mortgage-backed securities originated by mortgage lenders, has been critical to the home lending market. Any political or other developments that would have the effect of limiting or restricting the availability of financing by these government sponsored entities could also adversely affect interest rates and the availability of mortgage financing. Whether resulting from direct increases in borrowing rates, tightened underwriting standards on mortgage loans or reduced federal support of the mortgage lending industry, a challenging mortgage financing environment could reduce demand for housing and, therefore, adversely affect demand for our products.

Changes in regulations relating to tax deductions for mortgage interest expense and real estate taxes could harm our future sales and earnings.

Significant costs of homeownership include mortgage interest expense and real estate taxes, both of which are generally deductible for an individual’s federal and, in some cases, state income taxes. Recent federal legislation reduced the amount of mortgage interest and real estate taxes that certain taxpayers may deduct. These and any similar changes to income tax laws by the federal government or by a state government to eliminate or substantially reduce these income tax deductions, or any significant increase in real property taxes by local governments, may increase the cost of homeownership and thus could adversely affect the demand for our products.

THIRD-PARTY SERVICE PROVIDERS

We depend heavily on third parties for logging and transportation services, and any increase in the cost or any disruption in the availability of these services could materially adversely affect our business and operations and our financial results.

Our businesses depend heavily on the availability of third-party service providers for the harvest of our timber and the transportation of our wood products and wood fiber. We are therefore considerably affected by the availability and cost of these services. Any significant increase in the operating costs to our service providers, including without limitation an increase in the cost of fuel or labor, could have a material negative effect on our financial results by increasing the cost of these services to us, as well as result in an overall reduction in the availability of these services altogether.

Our third-party transportation providers are also subject to several events outside of their control, such as disruption of transportation infrastructure, labor issues and natural disasters. Any failure of a third-party transportation provider to timely deliver our products, including delivery of our wood products and wood fiber to our customers and delivery of wood fiber to our mills, could harm our supply chain, negatively affect our customer relationships and have a material adverse effect on our financial condition, results of operations and our reputation.

As a result of weak business conditions in the timber industry that persisted for several years, there are fewer third-party service providers in certain markets to harvest and deliver our logs. This shortage has resulted in an overall increase in logging and hauling costs and, in some cases, compromised the general availability of these contractors. Any increase in harvest levels due to positive changes in macroeconomic conditions driving demand for logs could further strain the existing supply of third-party logging and hauling service providers. This, in turn, could increase the cost of log supply and delivery, or prevent us from fully capitalizing on favorable market conditions by limiting our ability to access and deliver our logs to market.

WORKFORCE

Our business is dependent upon attracting, retaining and developing key personnel.

Our success depends, to a significant extent, upon our ability to attract, retain and develop senior management, operations management and other key personnel. Our financial condition or results of operations could be significantly adversely affected if we were to fail to recruit, retain, and develop such personnel, or if there were to occur any significant increase in the cost of providing such personnel with competitive total compensation and benefits.

A strike or other work stoppage, or our inability to renew collective bargaining agreements on favorable terms, could adversely affect our financial results.

As of December 31, 2019, a significant number of employees in our Western Timberlands and Wood Products businesses were covered by a collective bargaining agreement. If these workers were to engage in a strike or other work stoppage, or if our non-unionized operations were to become unionized, we could experience a significant disruption of operations at our facilities or higher ongoing labor costs. A significant customer or supplier strike or other work stoppage could also have similar effects on us.

RISKS RELATED TO OUR BUSINESS

MANAGING COMMERCIAL TIMBERLANDS RISKS

Our ability to harvest and deliver timber may be subject to limitations which could adversely affect our results of operations.

Our primary assets are our timberlands. Weather conditions, timber growth cycles, access limitations, and availability of contract loggers and haulers may adversely affect our ability to harvest our timberlands. Other factors that may adversely affect our timber harvest include damage to our standing timber by fire or by insect infestation, disease, prolonged drought, flooding, severe weather and other natural disasters. Changes in global climate conditions could intensify one or more of these factors. Although damage from such causes usually is localized and affects only a limited percentage of standing timber, there can be no assurance that any damage affecting our timberlands will in fact be limited. As is common in the forest products industry, we do not maintain insurance coverage for damage to our timberlands. Our revenues, net income and cash flow

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from operations are dependent to a significant extent on the pricing of our products and our continued ability to harvest timber at adequate levels. Therefore, if we were to be restricted from harvesting on a significant portion of our timberlands for a prolonged period of time, or if material damage to a significant portion of our standing timber were to occur, we could suffer materially adverse effects to our results of operations.

Our timber harvest levels may be affected by acquisitions of additional timberlands, sales of existing timberlands and shifts in harvest from one region to another. Future timber harvest levels may also be affected by our ability to timely and effectively replant harvested areas, which depends on several factors including changes in estimates of long-term sustainable yield because of silvicultural advances, natural disasters, fires, pests, insects and other hazards, regulatory constraints, availability of contractors and other factors beyond our control.

Timber harvest activities are also subject to a number of federal, state and local regulations pertaining to the protection of fish, wildlife, water and other resources. Regulations, government agency policy and guidelines, and litigation, can restrict timber harvest activities and increase costs. Examples include federal and state laws protecting threatened, endangered and “at-risk” species, harvesting and forestry road building activities that may be restricted under the U.S. Federal Clean Water Act, state forestry practices laws, laws protecting aboriginal rights, and other similar regulations.

Our estimates of timber inventories and growth rates may be inaccurate and include risks inherent in calculating such estimates, which may impair our ability to realize expected revenues.

Whether in connection with managing our existing timberland portfolio or assessing potential timberland acquisitions, we make and rely on important estimates of merchantable timber inventories. These include estimates of timber inventories that may be lawfully and economically harvested, timber growth rates and end-product yields. Timber growth rates and yield estimates are developed by forest biometricians and other experts using statistical measurements of tree samples on given property. These estimates are central to forecasting our anticipated timber harvests, revenues and expected cash flows. While the company has confidence in its timber inventory processes and the professionals in the field who administer it, future growth and yield estimates are inherently inexact and uncertain and subject to many external variables that could further affect their accuracy. These include, among other things, disease, infestation, natural disasters and changes in weather patterns. If these estimates are inaccurate, our ability to manage our timberlands in a sustainable or profitable manner may be compromised, which may cause our results of operations and our stock price to be adversely affected.

Our operating results and cash flows will be materially affected by supply and demand for timber.

A variety of factors affect prices for timber, including available supply, changes in economic conditions that affect demand, the level of domestic new construction and remodeling activity, interest rates, credit availability, population growth, weather conditions and pest infestation, and other factors. These factors vary by region, by timber type (i.e., sawlogs or pulpwood logs) and by species.

Timber prices are affected by changes in demand on a local, national and international level. The closure of a mill in a region where we own timber could have a material adverse effect on demand in that region, and therefore pricing. For example, as the demand for paper continues to decline, closures of pulp mills in some of our operating regions have adversely affected the regional demand for pulpwood and wood chips. Additionally, some of our Asian log export markets, particularly China, have a history of significant volatility. Lower demand for our export logs could have a negative effect on timber prices, particularly in the western region.

Timber prices are also affected by changes in timber supply and availability at the local, national and international level. Our timberland ownership is concentrated in Alabama, Arkansas, Louisiana, Mississippi, North Carolina, Oklahoma, Oregon and Washington. In some of these states, much of the timberland is privately owned. Increases in timber prices often result in substantial increases in harvesting on private timberlands, including lands not previously made available for commercial timber operations, causing a short-term increase in supply that moderates such price increases. In western states such as Oregon and Washington, where a greater proportion of timberland is government-owned, any substantial increase in timber harvesting from government-owned land could significantly reduce timber prices. On a local level, timber supplies can fluctuate depending on factors such as changes in weather conditions and harvest strategies of local timberland owners, as well as occasionally high timber salvage efforts due to events such as pest infestations, fires or other natural disasters. Demand for timber in foreign markets can fluctuate due to a variety of factors as well, including but not limited to: changes in the fundamental economic conditions that affect demand for logs in a given export market country or region; any substantial increase in supply of logs from local or regional sources, including such sources that periodically supply large amounts of salvage timber as a result of disease or infestation, and other factors.

Timberlands make up a significant portion of our business portfolio.

Our real property holdings are primarily timberlands and we may make additional timberlands acquisitions in the future. As the owner and manager of over 11 million acres of timberlands, we are subject to the risks that are inherent in concentrated real estate investments. A downturn in the real estate industry generally, or the timber or forest products industries specifically, could reduce the value of our properties and adversely affect our results of operations. Such a downturn could also adversely affect our customers and reduce the demand for our products, as well as our ability to execute upon our strategy of selling nonstrategic timberlands and timberland properties that have higher and better uses at attractive prices. These risks may be more pronounced than if we diversified our investments outside of real property holdings.

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MANUFACTURING AND SELLING WOOD PRODUCTS RISKS

A material disruption at one of our manufacturing facilities could prevent us from meeting customer demand, reduce our sales, and negatively affect our results of operation and financial condition.

Any of our manufacturing facilities, or any of our machines within an otherwise operational facility, could cease operations unexpectedly due to a number of events, including:

• unscheduled maintenance outages;

• prolonged power failures;

• equipment failure;

• chemical spill or release;

• explosion of a boiler;

• fires, floods, windstorms, earthquakes, hurricanes or other severe weather conditions or catastrophes, affecting the production of goods or the supply of raw materials (including fiber);

• the effect of drought or reduced rainfall on water supply;

• labor difficulties;

• disruptions in transportation or transportation infrastructure, including roads, bridges, rail, tunnels, shipping and port facilities;

• terrorism or threats of terrorism;

• cyber attack;

• governmental regulations and

• other operational problems.

We cannot predict the duration of any such downtime or extent of facility damage. If one of our facilities or machines were to incur significant downtime, our ability to meet our production targets and satisfy customer demand could be impaired, resulting in lower sales and income. Additionally, we may be required to make significant unplanned capital expenditures. Although some risks are not insurable and some coverage is limited, we purchase insurance on our manufacturing facilities for damage from fires, floods, windstorms, earthquakes, equipment failures and boiler explosions. Such insurance may not be sufficient to recover all of our damages.

Some of our wood products are vulnerable to declines in demand due to competing technologies or materials.

Our products compete with non-fiber based alternatives or with alternative products in certain market segments. For example, plastic, wood/plastic or composite materials may be used by builders as alternatives to our wood products such as lumber, veneer, plywood and oriented strand board. Changes in prices for oil, chemicals and wood-based fiber can change the competitive position of our products relative to available alternatives and could increase substitution of those products for our products. If use of these or other alternative products grows, demand for and pricing of our products could be adversely affected.

Our results of operations and financial condition could be materially adversely affected by changes in product mix or pricing.

Our results may be materially adversely affected by a change in our product mix or pricing. Some of our wood products, such as lumber, veneer, plywood and oriented strand board, are commodities and are subject to fluctuations in market pricing. If pricing on our commodity products decreases and if we are not successful in increasing sales of higher-priced, higher-value products, or if we are not successful in implementing price increases, or there are delays in acceptance of price increases or higher-priced products, our results of operations and financial condition could be materially and adversely affected. Price discounting, if required to maintain our competitive position in one or more markets, could result in lower than anticipated price realizations and margins.

We face intense competition in our markets; any failure to compete effectively could have a material adverse effect on our business, financial condition and results of operations.

We compete with North American producers and, for some of our product lines, global producers, some of which may have greater financial resources and lower production costs than do we. The principal basis for competition for many of our products is selling price. Our industries also are particularly sensitive to other factors including innovation, design, quality and service, with varying emphasis on these factors depending on the product line. To the extent that any of our competitors are more successful with respect to any key competitive factor, our ability to attract and retain customers and maintain and increase sales could be materially adversely affected. Any failure to compete effectively could have a material adverse effect on our business, financial condition and results of operations.

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Competition from lumber imports could vary significantly and have a material effect on U.S. lumber and timber prices.

The future amount and pricing of lumber imports entering U.S. markets remain uncertain. Historically, Canada has been the most significant source of lumber for the U.S. market, particularly in the new home construction market. We produce lumber in our Canadian mills, but the bulk of our lumber production is in the U.S. There have been many disputes and subsequent trade agreements regarding sales of softwood lumber between Canada and the U.S. The last agreement, which required Canadian softwood lumber facilities, including our mills, to pay an export tax when the price of lumber is at or below a threshold price, expired in October 2015. Since that time, the U.S. Department of Commerce has issued countervailing and antidumping duties on softwood lumber imports from Canada based on findings of injury to U.S. lumber producers.

We are not able to predict when, or if, a new softwood lumber agreement will be reached or, if reached, what the terms of the agreement would be. Similarly, we are not able to predict if the current U.S. policy of imposing import duties on Canadian softwood lumber will continue. We could, therefore, experience significant downward pressure on timber and lumber prices caused by Canadian lumber imports.

Another form of competition is between brands of sustainably produced products; customer demand for certain brands could reduce competition among buyers for our products or cause other adverse effects.

We have adopted the Sustainable Forestry Initiative (SFI) standard for wood fiber supplied to our manufacturing facilities, both from our timberlands and from third-party suppliers. If customer preference for a sustainability standard other than SFI increases, or if the SFI standard falls into disfavor, there may be reduced demand and lower prices for our products relative to competitors who can supply products sourced from forests certified to competing certification standards. If we seek to comply with such other standards, we could incur materially increased costs for our operations or be required to modify our operations, such as reducing harvest levels. FSC, in particular, employs standards that are geographically variable and could cause a material reduction in the harvest levels of some of our timberlands, most notably in the Pacific Northwest.

Our business and operations could be materially adversely affected by changes in the cost or availability of raw materials and energy.

We rely heavily on certain raw materials (principally wood fiber and chemicals) and energy sources (principally natural gas, electricity and fuel oil) in our manufacturing processes. Our ability to increase earnings has been, and will continue to be, affected by changes in the costs and availability of such raw materials and energy sources. We may not be able to fully offset the effects of higher raw material or energy costs through price increases, productivity improvements, cost-reduction programs or hedging arrangements.

RISKS RELATED TO CAPITAL MARKETS

CAPITAL MARKETS

Deterioration in economic conditions and capital markets could adversely affect our access to capital.

Challenging market conditions could impair the company’s ability to raise debt or equity capital or otherwise access capital markets on terms acceptable to us, which may, among other effects, reduce our ability to refinance debt maturities or take advantage of growth and expansion opportunities. Likewise, our customers and suppliers may be unable to raise capital to fund their operations, which could, in turn, adversely affect their ability to purchase products or sell products to us.

CREDIT RATINGS

Changes in credit ratings issued by nationally recognized rating organizations could adversely affect our cost of financing and have an adverse effect on the market price of our securities.

Credit rating agencies rate our debt securities on factors that include our operating results and balance sheet, actions that we take, their view of the general outlook for our industry and their view of the general outlook for the economy. Ratings decisions by these agencies include maintaining, upgrading or downgrading our current rating, as well as placing the company on a "watch list" for possible future ratings actions. Any downgrade of our credit rating, or decision by a rating agency to place us on a "watch list" for possible future downgrading could have an adverse effect on our ability to access credit markets, increase our cost of financing, and have an adverse effect on the market price of our securities.

CAPITAL REQUIREMENTS AND ACCESS TO CAPITAL

Access to capital required for our operations may be costly or impaired.

Our businesses require substantial capital for expansion and for repair or replacement of existing facilities or equipment. Although we maintain our production equipment with regular scheduled maintenance, key pieces of equipment may need to be repaired or replaced periodically. The costs of repairing or replacing such equipment and the associated downtime of the affected production line could have a significant effect on our financial condition, results of operations and cash flows.

While we believe our capital resources will be adequate to meet our current projected operating needs, capital expenditures and other cash requirements, if for any reason we are unable to access capital for our operating needs, capital expenditures and other cash requirements on acceptable economic terms, or at all, we could experience a material adverse effect on our business, financial condition, results of operations and cash flows.

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FOREIGN CURRENCY

We will be affected by changes in currency exchange rates.

We have manufacturing operations in Canada. We are also an exporter and compete with global producers of products very similar to ours. Therefore, we are affected by changes in the strength of the U.S. dollar, particularly relative to the Canadian dollar, euro, yuan and yen, and the strength of the euro relative to the yen. Changes in exchange rates could materially and adversely affect our sales volume, margins and results of operations.

RISKS RELATED TO LEGAL, REGULATORY AND TAX

ENVIRONMENTAL LAWS AND REGULATIONS

We could incur substantial costs as a result of compliance with, violations of, or liabilities under applicable environmental laws and other laws and regulations.

We are subject to a wide range of general and industry-specific laws and regulations relating to the protection of the environment, including those governing:

• air emissions,

• wastewater discharges,

• harvesting,

• silvicultural activities, including use of pesticides and herbicides,

• forestry operations and endangered species habitat protection,

• surface water management,

• the storage, usage, management and disposal of hazardous substances and wastes,

• the cleanup of contaminated sites,

• landfill operation and closure obligations,

• building codes, and

• health and safety matters.

We have incurred, and we expect to continue to incur, significant capital, operating and other expenditures complying with applicable environmental laws and regulations and as a result of remedial obligations, and there can be no assurances that existing reserves for specific matters will be adequate to cover future costs. We also could incur substantial costs, such as civil or criminal fines, sanctions and enforcement actions (including orders limiting our operations or requiring corrective measures, installation of pollution control equipment or other remedial actions), cleanup and closure costs, and third-party claims for property damage and personal injury as a result of violations of, or liabilities under, environmental laws and regulations.

As the owner and operator of real estate, we may be liable under environmental laws for cleanup, closure and other damages resulting from the presence and release of hazardous substances on or from our properties or operations. In addition, surface water management regulations may present liabilities and are subject to change. The amount and timing of environmental expenditures is difficult to predict, and in some cases, our liability may exceed forecasted amounts or the value of the property itself. The discovery of additional contamination or the imposition of additional cleanup obligations at our sites or third-party sites may result in significant additional costs.

We also lease some of our properties to third-party operators for the purpose of exploring, extracting, developing and producing oil, gas, rock and other minerals in exchange for fees and royalty payments. These activities are also subject to federal, state and local laws and regulations. These operations may create risk of environmental liabilities for any unlawful discharge of oil, gas or other chemicals into the air, soil or water. Generally, these third-party operators indemnify us against any such liability, and we require that that they maintain liability insurance during the term of our lease with them. However, if for any reason our third-party operators are not able to honor their indemnity obligation, or if the required liability insurance were not in effect, then it is possible that we could be deemed responsible for costs associated with environmental liability caused by such third-party operators.

Any material liability we incur as a result of activities conducted on our properties by us or by others with whom we have a business relationship could adversely affect our financial condition.

We also anticipate public policy developments at the state, federal and international level regarding climate change and energy access, security and competitiveness. We expect these developments to address emission of carbon dioxide, renewable energy and fuel standards, and the monetization of carbon. Compliance with regulations that implement new public policy in these areas might require significant expenditures. These developments may also include mandated changes to energy use and building codes which could affect homebuilding practices. Enactment of new environmental laws or regulations or changes in existing laws or regulations, or the interpretation of these laws or regulations, might require significant expenditures. We also anticipate public policy developments at the state, federal and international level regarding taxes and a number of other areas that could require significant expenditures.

Changes in global or regional climate conditions and governmental response to such changes at the international, U.S. federal and state levels may affect our operations or our planned or future growth activities.

There continue to be numerous international, U.S. federal and state-level initiatives and proposals to address domestic and global climate issues. Within the U.S. and Canada, some of these proposals would regulate (and in some Canadian provinces do regulate) and/or tax the

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production of carbon dioxide and other greenhouse gases to facilitate the reduction of carbon compound emissions into the atmosphere and provide tax and other incentives to produce and use cleaner energy. Climate change effects, if they occur, and governmental initiatives, laws and regulations to address potential climate concerns, could increase our costs and have a long-term adverse effect on our businesses and results of operations. Future legislation or regulatory activity in this area remains uncertain, and its effect on our operations is unclear at this time. However, it is possible that legislation or government mandates, standards or regulations intended to mitigate or reduce carbon compound or greenhouse gas emissions or other climate change effects could adversely affect our operations. For example, such activities could limit harvest levels or result in significantly higher costs for energy and other raw materials. Because our manufacturing operations depend upon significant amounts of energy and raw materials, these initiatives could have an adverse effect on our results of operations and profitability.

LEGAL MATTERS

We are involved in various environmental, regulatory, product liability and other legal matters, disputes and proceedings that, if determined or concluded in a manner adverse to our interests, could have a material adverse effect on our financial condition.

We are, from time to time, involved in a number of legal matters, disputes and proceedings (legal matters), some of which involve on-going litigation. These include, without limitation, legal matters involving environmental clean-up and remediation, warranty and non-warranty product liability claims, regulatory issues, contractual and personal injury claims and other legal matters. In some cases, all or a portion of any loss we experience in connection with any such legal matters will be covered by insurance; in other cases, any such losses will not be covered.

The outcome, costs and other effects of current legal matters in which we are involved, and any related insurance recoveries, cannot be determined with certainty. Although the disclosures in Note 14: Legal Proceedings, Commitments and Contingencies and Note 21: Income Taxes contain management’s current views of the effect such legal matters could have on our financial results, there can be no assurance that the outcome of such legal matters will be as currently expected. It is possible that there could be adverse judgments against us in some or all major litigation matters against us, and that we could be required to take a charge and make cash payments for all or a portion of any related awards of damages. Any one or more of such charges or cash payment could materially and adversely affect our results of operations or cash flows for the quarter or year in which we record or pay it.

REIT STATUS AND TAX IMPLICATIONS

If we fail to remain qualified as a REIT, our taxable income would be subject to tax at corporate rates and we would not be able to deduct dividends to shareholders.

In any taxable year in which we fail to qualify as a REIT, unless we are entitled to relief under the Internal Revenue Code:

• We would not be allowed to deduct dividends to shareholders in computing our taxable income.

• We would be subject to federal and state income tax on our taxable income at applicable corporate rates.

• We also would be disqualified from treatment as a REIT for the four taxable years following the year during which we lost qualification.

Qualification as a REIT involves the application of highly technical and complex provisions of the Internal Revenue Code to our operations and the determination of various factual matters and circumstances not entirely within our control. There are only limited judicial or administrative interpretations of these provisions. Although we operate in a manner consistent with the REIT qualification rules, we cannot assure you that we are or will remain so qualified.

Certain of our business activities are subject to corporate-level income tax and potentially subject to prohibited transactions tax.

Under the Internal Revenue Code, REITs generally must engage in the ownership and management of income producing real estate. For the company, this generally includes owning and managing a timberland portfolio for the production and sale of standing timber. Any activities that generate non-qualifying REIT income could constitute “prohibited transactions.” Prohibited transactions are defined by the Internal Revenue Code generally to be sales or other dispositions of property to customers in the ordinary course of a trade or business. Accordingly, the harvesting and sale of logs, the development or sale of certain timberlands and other real estate, and the manufacture and sale of wood products are conducted through one or more of our wholly-owned TRSs, the net income of which is subject to corporate-level tax. By conducting our business in this manner, we believe that we satisfy the REIT requirements of the Internal Revenue Code. However, if the IRS were to successfully assert that these or any of our activities conducted at the REIT constituted prohibited transactions, we could be subject to the 100 percent tax on the net income from such activities.

The extent of our use of our TRSs may affect the price of our common shares relative to the share price of other REITs.

We conduct a significant portion of our business activities through one or more TRSs. The use of our TRSs enables us to engage in non-REIT qualifying business activities such as the harvesting and sale of logs, manufacture and sale of wood products, and the development and sale of certain higher and better use (HBU) property. Our TRSs are subject to corporate-level income tax. Under the Code, no more than 20 percent of the value of the gross assets of a REIT may be represented by securities of one or more TRSs. This limitation may affect our ability to increase the size of our TRSs’ operations. Furthermore, our use of TRSs may cause the market to value our common shares differently than the shares of other REITs, which may not use TRSs at all, or as extensively as we use them.

We may be limited in our ability to fund distributions using cash generated through our TRSs.

The ability of the REIT to receive dividends from our TRSs is limited by the rules with which we must comply to maintain our status as a REIT. In particular, at least 75 percent of gross income for each taxable year as a REIT must be derived from real estate sources including sales of our standing timber and other types of qualifying real estate income, and no more than 25 percent of our gross income may consist of dividends from our TRSs and other non-real estate income.

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This limitation on our ability to receive dividends from our TRSs may affect our ability to fund cash distributions to our shareholders using cash flows from our TRSs. The net income of our TRSs is not required to be distributed, and income of our TRSs that is not distributed to the REIT will not be subject to the REIT income distribution requirement.

To maintain our qualification as a REIT, we are generally required to distribute substantially all of our taxable income to our shareholders.

Generally, REITs are required to distribute 90 percent of their ordinary taxable income and 95 percent of their net capital gains income. Capital gains may be retained by the REIT but would be subject to corporate income taxes. If capital gains were retained rather than distributed, our shareholders would be deemed to have received a taxable distribution (about which we would notify them), with a refundable credit for any federal income tax paid by the REIT. Accordingly, we believe that we are not required to distribute material amounts of cash since substantially all of our taxable income is treated as capital gains income. As previously discussed in these Risk Factors, our board of directors, in its sole discretion, determines the amount, timing and frequency of our dividends to shareholders.

Changes in tax laws or their interpretation could adversely affect our shareholders and our results of operations.

Federal and state tax laws are constantly under review by persons involved in the legislative process, the Internal Revenue Service, the United States Department of the Treasury, and state taxing authorities. Changes to tax laws could adversely affect our shareholders or increase our effective tax rates. We cannot predict with certainty whether, when, in what forms, or with what effective dates, the tax laws applicable to us or our shareholders may be changed.

IMPORT/EXPORT TAXES AND DUTIES

We may be required to pay significant taxes or tariffs on our exported products or countervailing and anti-dumping duties or tariffs on our imported products.

We export logs and finished wood products to foreign markets, and our ability to do so profitably is affected by U.S. and foreign trade policy. International trade disputes occur frequently and can be taken to an International Trade Court for resolution of unfair trade practices between countries.

U.S. international trade policy could result in one or more of our foreign export market jurisdictions adopting trade policy making it more difficult or costly for us to export our products to those countries. We could therefore experience reduced revenues and margins in any of our businesses that is adversely affected by international trade tariffs, duties, taxes, customs or dispute settlement terms. To the extent such trade policies increase prices, they could also reduce the demand for our products and could have a material adverse effect on our business, financial results and financial condition, including facility closures or impairments of assets. We cannot predict future trade policy or the terms of any settlements of international trade disputes and their effect on our business.

OUR MERGER WITH PLUM CREEK TIMBER COMPANY, INC.

We could incur substantial U.S. federal tax liability in connection with our merger with Plum Creek.

On February 19, 2016, Plum Creek Timber Company, Inc. merged with and into Weyerhaeuser Company, with Weyerhaeuser continuing as the surviving company. Both companies have operated in a manner intended to qualify them as “REITs” for U.S. federal income tax purposes under the Internal Revenue Code. See “REIT Status and Tax Implications” above for a description of the consequences of our failure to maintain REIT status. However, even if we have operated in a manner that allows us to retain our REIT status, if Plum Creek were deemed to have lost its REIT status for a taxable year before the merger or the taxable year in which the merger occurred, we could face serious tax consequences that could substantially reduce cash available for distribution to our shareholders and significantly impair our ability to expand our business and raise capital. In addition, if the merger were determined not to qualify as a tax-free merger, we could incur substantial federal tax liability that could materially and adversely affect the company's cash flows, financial condition and results of operations.

RISKS RELATED TO OUR STOCK

The market price of our common stock may be influenced by many factors, some of which are beyond our control.

The market price of our common stock may be influenced by many factors, some of which are beyond our control, including without limitation those described above and elsewhere in this report, as well as the following:

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• actual or anticipated fluctuations in our operating results or our competitors' operating results;

• announcements by us or our competitors of new products, capacity changes, significant contracts, acquisitions or strategic investments;

• our growth rate and our competitors’ growth rates;

• general economic conditions;

• conditions in the financial markets;

• market interest rates and the relative yields on other financial instruments;

• general perceptions and expectations regarding housing markets, interest rates, commodity prices, and currencies;

• changes in stock market analyst recommendations regarding us, our competitors or the forest products industry generally, or lack of analyst coverage of our common stock;

• sales of our common stock by our executive officers, directors and significant shareholders;

• sales or repurchases of substantial amounts of common stock;

• changes in accounting principles and

• changes in tax laws and regulations.

In addition, there has been significant volatility in the market price and trading volume of securities of companies operating in the forest products industry that often has been unrelated to individual company operating performance. Some companies that have experienced volatile market prices for their securities have had securities litigation brought against them. If litigation of this type is brought against us, it could result in substantial costs and divert management’s attention and resources.

Our cash dividends are not guaranteed and may fluctuate.

Our board of directors, in its sole discretion, determines the amount of quarterly dividends to be provided to our shareholders based on consideration of a number of factors. These factors include, but are not limited to: our results of operations and cash flow; current and forecasted economic conditions; changes in the price and demand for our products and the general market demand for timberlands, including those timberland properties that have higher and better uses; current and forecasted harvest levels; balancing various capital allocation priorities and considerations including without limitation the company’s capital requirements and debt repayment obligations; various finance considerations, including the company’s credit ratings, borrowing capacity, debt covenant restrictions that may impose limitations on cash payments and other related factors and tax considerations. Consequently, the amount, timing and frequency of our dividends may fluctuate.

OTHER RISKS

INFORMATION SYSTEMS AND CYBERSECURITY

We rely on information technology to support our operations and reporting environments. Any failure of that technology, whether by means of a security breach or other cause, could affect our ability to operate our businesses effectively, adversely affect our reported financial results, affect our reputation and expose us to potential liability or litigation.

We use information systems to carry out our operational activities, maintain our business records, and collect and store sensitive data, including intellectual property and other proprietary and personally identifiable information. Some of our systems are internally managed and some are maintained by third-party service providers. We employ, and we believe our third-party service providers employ, what we deem to be reasonably adequate security measures; but notwithstanding these efforts, our systems could be compromised as a result of: a cyber incident, including but not limited to the occurrence in our system of malicious code (such as malware, viruses and ransomware); a natural disaster; a hardware or software corruption, failure or error; a telecommunications system failure; a service provider failure or error; an intentional or unintentional personnel action; or any one or more other causes of system breach, failure or disruption. If by any one or more causes our systems or information resources were disrupted, shutdown or otherwise compromised, or if our data were destroyed, misappropriated or inappropriately disclosed, our financial results or our business operations, or both, could be negatively affected. Additionally, we could suffer significant losses or incur significant liabilities, including without limitation: damage to our reputation; loss of customer confidence or goodwill and significant expenditures of time and money to address and remediate resulting damages to affected individuals or business partners or to defend ourselves in resulting litigation or other legal proceedings, by affected individuals, business partners or regulators.

PENSION PLAN LIABILITY

Investment returns on our pension assets may be lower than expected, or interest rates may decline, requiring us to make significant additional cash contributions to our benefit plans.

A portion of our current and former employees have accrued benefits under our defined benefit pension plans. Although the plans are not open to employees hired on or after January 1, 2014, current employees hired before that time continue to accrue benefits. Requirements for funding our pension plan liabilities are based on a number of actuarial assumptions, including the expected rate of return on our plan assets and the discount rate applied to our pension plan obligations. Fluctuations in equity market returns and changes in long-term interest rates could increase our costs under our defined benefit pension plans and may significantly affect future contribution requirements. It is unknown what the actual investment return on our pension assets will be in future years and what interest rates may be at any given point in time. We cannot therefore provide any assurance of what our actual pension plan costs will be in the future, or whether we will be required under applicable law to make future material plan contributions. See Note 9: Pension and Other Postretirement Benefit Plans for additional information about these plans, including funding status.

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STRATEGIC INITIATIVES

Our business and financial results may be adversely affected if we are unable to successfully execute on important strategic initiatives.

Our strategic initiatives are designed to improve our results of operations and drive long-term shareholder value. These initiatives include, among others, optimizing cash flow through operational excellence, reducing costs to achieve industry-leading cost structure and innovating in higher-margin products. There can be no assurance that we will be able to successfully implement any one or more of our important strategic initiatives in accordance with our expectations, which could result in an adverse effect on our business and financial results.

We may be unsuccessful in carrying out our acquisition strategy.

We intend to strategically pursue acquisitions when market conditions warrant. As with any investment, our acquisitions may not perform in accordance with our expectations. In addition, we anticipate financing such acquisitions through cash from operations, borrowings under our unsecured credit facilities, proceeds from equity or debt offerings or proceeds from asset dispositions, or any combination thereof. Our inability to finance future acquisitions on favorable terms could adversely affect our results of operations.

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UNRESOLVED STAFF COMMENTS

There are no unresolved comments that were received from the SEC staff relating to our periodic or current reports under the Securities Exchange Act of 1934.

PROPERTIES

Details about our facilities, production capacities and locations are found in the Our Business — What We Do section of this report.

• For details about our Timberlands properties, go to Our Business/What We Do/Timberlands/Where We Do It.

• For details about our Real Estate, Energy and Natural Resources properties, go to Our Business/What We Do/Real Estate, Energy and Natural Resources/Where We Do It.

• For details about our Wood Products properties, go to Our Business/What We Do/Wood Products/Where We Do It.

LEGAL PROCEEDINGS

See Note 14: Legal Proceedings, Commitments and Contingencies and Note 21: Income Taxes for a summary of legal proceedings.

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our common stock trades on the New York Stock Exchange under the symbol WY.

As of December 31, 2019, there were 14,000 holders of record of our common shares. Dividend-per-share data for each of the four quarters in 2019 and 2018 are included in Note 23: Selected Quarterly Financial Information (Unaudited).

INFORMATION ABOUT SECURITIES AUTHORIZED FOR ISSUANCE UNDER OUR EQUITY COMPENSATION PLAN

SHARES IN THOUSANDS	NUMBER OF SECURITIES TO BE ISSUED UPON EXERCISE OF OUTSTANDING OPTIONS, WARRANTS AND RIGHTS		WEIGHTED AVERAGE EXERCISE PRICE OF OUTSTANDING OPTIONS, WARRANTS AND RIGHTS		NUMBER OF SECURITIES REMAINING AVAILABLE FOR FUTURE ISSUANCE UNDER EQUITY COMPENSATION PLANS (EXCLUDING SECURITIES TO BE ISSUED UPON EXERCISE)
Equity compensation plans approved by security holders(1)		8,253	$	21.15		20,239
Equity compensation plans not approved by security holders	N/A		N/A		N/A
Total		8,253	$	21.15		20,239

(1) Includes 1,789 thousand restricted stock units and 1,049 thousand performance share units. Because there is no exercise price associated with restricted stock units and performance share units, excluding these units the weighted average exercise price would be $32.24.

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INFORMATION ABOUT COMMON SHARE REPURCHASES

On February 7, 2019, our board of directors approved and announced a new share repurchase program (the 2019 Repurchase Program) under which we are authorized to repurchase up to $500 million of outstanding shares. Concurrently, the board terminated the remaining repurchase authorization under the share repurchase program approved by the board in November 2015 and authorized to begin subsequent to the closing of our 2016 merger with Plum Creek (the 2016 Repurchase Program).

There were no share repurchases during fourth quarter 2019.

COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL SHAREHOLDER RETURN

Weyerhaeuser Company, S&P 500 and S&P Global Timber & Forestry Index

PERFORMANCE GRAPH ASSUMPTIONS

• Assumes $100 invested on December 31, 2014, in Weyerhaeuser common stock, the S&P 500 Index and the S&P Global Timber & Forestry Index.

• Total return assumes dividends received are reinvested immediately.

• Measurement dates are the last trading day of the calendar year shown.

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SELECTED FINANCIAL DATA

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES

PER COMMON SHARE
	2019			2018			2017			2016			2015
Diluted earnings (loss) from continuing operations attributable to Weyerhaeuser common shareholders	$	(0.10	)	$	0.99		$	0.77		$	0.55		$	0.71
Diluted earnings from discontinued operations attributable to Weyerhaeuser common shareholders		—			—			—			0.84			0.18
Diluted net earnings (loss) attributable to Weyerhaeuser common shareholders	$	(0.10	)	$	0.99		$	0.77		$	1.39		$	0.89
Dividends paid	$	1.36		$	1.32		$	1.25		$	1.24		$	1.20
Weyerhaeuser shareholders’ interest (end of year)	$	10.97		$	12.12		$	11.78		$	12.26		$	9.54
FINANCIAL POSITION
	2019			2018			2017			2016			2015
Total assets	$	16,406		$	17,249		$	18,059		$	19,243		$	12,470
Total long-term debt, net and borrowings on line of credit (1)	$	6,377		$	6,344		$	5,992		$	6,610		$	4,787
Weyerhaeuser shareholders’ interest	$	8,177		$	9,046		$	8,899		$	9,180		$	4,869
Percent earned (lost) on average year-end Weyerhaeuser shareholders’ interest	(0.9)%			8.3%			6.4%			14.3%			9.1%
OPERATING RESULTS
	2019			2018			2017			2016			2015
Net sales	$	6,554		$	7,476		$	7,196		$	6,365		$	5,246
Earnings (loss) from continuing operations	$	(76	)	$	748		$	582		$	415		$	411
Earnings from discontinued operations, net of income taxes		—			—			—			612			95
Net earnings (loss)		(76	)		748			582			1,027			506
Dividends on preference shares		—			—			—			(22	)		(44	)
Net earnings (loss) attributable to Weyerhaeuser common shareholders	$	(76	)	$	748		$	582		$	1,005		$	462
CASH FLOWS
	2019			2018			2017			2016			2015
Net cash from operations	$	966		$	1,112		$	1,201		$	735		$	1,075
Net cash from investing activities		187			(440	)		367			2,559			(487	)
Net cash from financing activities		(1,348	)		(1,162	)		(1,420	)		(3,630	)		(1,156	)
Net change in cash and cash equivalents	$	(195	)	$	(490	)	$	148		$	(336	)	$	(568	)
STATISTICS
	2019			2018			2017			2016			2015
Number of employees		9,400			9,300			9,300			10,400			12,600
Number of common shareholder accounts at year-end		14,000			14,525			15,138			15,504			7,700
Number of common shares outstanding at year-end (thousands)		745,300			746,391			755,223			748,528			510,483
Weighted average common shares outstanding – diluted (thousands)		745,897			756,827			756,666			722,401			519,618

(1) Amount includes current maturities of long-term debt but does not include nonrecourse debt held by our variable interest entities (VIEs). See Note 8: Related Parties for further information on our VIEs and the related nonrecourse debt.

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MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (MD&A)

WHAT YOU WILL FIND IN THIS MD&A

Our MD&A includes the following major sections:

• economic and market conditions affecting our operations;

• financial performance summary;

• results of our operations;

• liquidity and capital resources;

• off-balance sheet arrangements;

• environmental matters, legal proceedings and other contingencies;

• accounting matters and

• performance measures.

For Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A) related to the year ended December 31, 2017, refer to this same section (Part II, Item 7) in our 2018 annual report on Form 10-K as filed with the Securities and Exchange Commission on February 15, 2019.

ECONOMIC AND MARKET CONDITIONS AFFECTING OUR OPERATIONS

The demand for grade sawlogs within our Timberlands segment is directly affected by production levels of domestic wood-based building products. The strength of the U.S. housing market strongly affects demand in our Wood Products segment, as does repair and remodeling activity. Our Timberlands segment, specifically the Western region, is also affected by export demand and trade policy. Japanese housing starts are a key driver of export log demand in Japan. The demand for pulpwood from our Timberlands segment is directly affected by the production of pulp, paper and oriented strand board as well as the demand for biofuels, such as pellets made from pulpwood.

Housing starts for 2019 were 1.29 million total units, which was 3 percent above the 2018 total of 1.25 million units according to the U.S. Census Bureau. Single family units totaled 888 thousand in 2019, a 1 percent improvement over the 2018 total of 876 thousand. Multi-family starts were 402 thousand units for 2019, which was 7 percent higher than 2018. Our outlook is for continued modest growth in U.S. housing activity. For 2020, we anticipate just over 1.3 million housing starts, with the improvement driven primarily by additional single family activity. Our expectation for continued improvement in housing is based on ongoing employment growth, strong household formations, high consumer confidence and favorable mortgage rates, which have declined over 100 basis points since late 2018 and remain low on a historic basis.

According to the Joint Center for Housing Studies of Harvard University, the Leading Indicator of Remodeling Activity (LIRA) estimates that residential remodeling expenditures increased 4.8 percent year-over-year during 2019 and will increase by 1.5 percent during 2020.

Prices for lumber and oriented strand board declined sharply in late 2018 after reaching record highs in the first half of the year due to weather and transportation constraints in the supply chain. During 2019, lumber pricing improved modestly compared with year-end 2018 levels, while pricing for oriented strand board remained generally flat. According to Random Lengths, the Framing Lumber Composite indicator price averaged $356/MBF in 2019, a 23 percent decrease compared with the 2018 average. The Oriented Strand Board Composite indicator price for 2019 averaged $238/MSF, a 38 percent decrease from 2018.

In Western log markets, Douglas fir sawlog prices declined by 19 percent in 2019 compared with 2018, which was directionally consistent with Western domestic lumber pricing. Conversely, in the South, delivered sawlog prices increased 2 percent in 2019 compared with 2018 as rising lumber output drove incremental demand for sawlogs and wet weather in the first half of the year constrained supply.

Average Western export log prices declined moderately compared with 2018, falling 11 percent for China logs and 14 percent for Japan grade logs. Exchange rates, available supply from other countries and trade policy also affect our export businesses. The volume of logs imported to China from New Zealand and Europe increased in 2019 over 2018, primarily at the expense of U.S. and Russian volume. A weaker yuan relative to the U.S. dollar reduces the competitiveness of U.S. logs relative to those imported from other countries whose currencies have not appreciated in a similar manner. The yuan weakened 4 percent relative to the U.S. dollar in 2019 averaging 6.91 yuan per U.S. dollar, from 6.61 yuan per U.S. dollar in 2018.

In Japan, housing starts for November 2019 year to date decreased 3.6 percent from the same period in 2018. However, starts in the key Post and Beam segment declined only 1.5 percent. The decline in housing starts in 2019 is likely due to an increase in the consumption tax which became effective in October 2019. We expect demand from Japan and China in 2020 will be comparable to demand experienced in 2019.

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Our Real Estate & ENR segment is affected by the health of the U.S. economy and especially the U.S. housing sector. According to the Realtors Land Institute (RLI) of the National Association of Realtors (NAR), the dollar volume of rural properties sold increased by 2.2 percent in 2019 over 2018, and per acre prices grew 2.1 percent on average. Additionally, RLI expects these trends to continue with prices and volumes of land transactions forecasted to rise 2.2 percent, with timber expected to rise by 1.5 percent in 2020.

FINANCIAL PERFORMANCE SUMMARY

Net Sales by Segment

Contribution to Earnings by Segment

RESULTS OF OPERATIONS

In reviewing our results of operations, it is important to understand these terms:

• Sales realizations refer to net selling prices — this includes selling price plus freight minus normal sales deductions.

• Net contribution (charge) to earnings refers to earnings (loss) before interest expense and income taxes.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 39

CONSOLIDATED RESULTS

HOW WE DID

Summary of Financial Results

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
						AMOUNT OF CHANGE
	2019			2018		2019 vs. 2018
Net sales	$	6,554		$	7,476	$	(922	)
Costs of sales	$	5,412		$	5,592	$	(180	)
Operating income	$	651		$	1,394	$	(743	)
Net earnings (loss)	$	(76	)	$	748	$	(824	)
Basic and diluted earnings (loss) per share	$	(0.10	)	$	0.99	$	(1.09	)

COMPARING 2019 WITH 2018

Net Sales

Net sales decreased $922 million — 12 percent — primarily due to:

• a $674 million decrease in Wood Products net sales to unaffiliated customers, primarily attributable to decreased sales realizations across the majority of our product lines, and

• a $255 million decrease in Timberlands net sales to unaffiliated customers, primarily attributable to decreased log prices as well as decreased sales volumes in the West.

These decreases were slightly offset by a $7 million increase in Real Estate & ENR net sales to unaffiliated customers, primarily attributable to increased production-based royalties.

Costs of Sales

Costs of sales decreased $180 million — 3 percent — primarily due to lower per unit costs within our Wood Products segment, decreased sales volumes within our Timberlands segment and decreased acres sold in our Real Estate & ENR segment. Refer to additional analysis of fluctuations within our Wood Products, Timberlands and Real Estate, Energy and Natural Resources discussions below.

Operating Income

Operating income decreased $743 million — 53 percent — primarily due to:

• a $742 million decrease in consolidated gross margin, as described above, and

• an $80 million impairment charge related to our Montana timberlands assets (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments).

These were partially offset by a $68 million product remediation insurance recovery and a $48 million gain related to the sale of our Michigan timberland assets (refer to Note 19: Charges (Recoveries) for Product Remediation, Net and Note 4: Divestitures and Assets Held for Sale, respectively).

Net Earnings

Net earnings decreased $824 million — 110 percent — primarily due to:

• a $743 million decrease in operating income, as described above;

• a $244 million increase in non-operating pension and other postretirement benefit costs primarily attributable to a $255 million increase in pension settlement charges (refer to Note 9: Pension and Other Postretirement Benefit Plans) and

• a $30 million decrease in interest income and other primarily attributable to the maturity of buyer-sponsored SPE investments in 2019 (refer to Note 8: Related Parties).

These were partially offset by a $196 million change in income taxes resulting from a $137 million income tax benefit in 2019 compared to a $59 million income tax charge in 2018 (refer to Income Taxes).

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 40

TIMBERLANDS

HOW WE DID

We report sales volume and annual production data for our Timberlands segment in Our Business/What We Do/Timberlands.

Net Sales and Net Contribution to Earnings for Timberlands

DOLLAR AMOUNTS IN MILLIONS(1)
					AMOUNT OF CHANGE
	2019		2018		2019 vs. 2018
Net sales to unaffiliated customers:
Delivered logs:
West	$	740	$	987	$	(247	)
South		640		625		15
North(2)		92		99		(7	)
						0
Total		1,472		1,711		(239	)
Stumpage and pay-as-cut timber		42		59		(17	)
Recreational and other lease revenue		61		59		2
Other products(3)		43		44		(1	)
						0
Subtotal net sales to unaffiliated customers		1,618		1,873		(255	)
Intersegment net sales		503		537		(34	)
						0
Total segment net sales	$	2,121	$	2,410	$	(289	)
						0
Costs of sales	$	1,649	$	1,735	$	(86	)
Operating income and Net contribution to earnings	$	347	$	583	$	(236	)

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands segment. We have conformed prior year presentations with the current year.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Other products include sales of seeds and seedlings from our nursery operations and wood chips.

COMPARING 2019 WITH 2018

Net Sales — Unaffiliated Customers

Net sales to unaffiliated customers decreased $255 million —14 percent— primarily due to:

• a $247 million decrease in Western log sales, attributable to an 18 percent decrease in log prices, as well as a 9 percent decrease in sales volumes;

• a $17 million decrease in stumpage and pay-as-cut timber sales and

• a $7 million decrease in Northern log sales, attributable to a 4 percent decrease in sales volumes, as well as a 3 percent decrease in log prices.

These decreases were partially offset by a $15 million increase in Southern log sales, attributable to a 1 percent increase in log prices, as well as a 1 percent increase in sales volumes.

Intersegment Sales

Intersegment sales decreased $34 million — 6 percent — primarily due to a decrease in Western log prices, as discussed above.

Costs of Sales

Costs of sales decreased $86 million — 5 percent — primarily due to a decrease in Western log sales volumes, partially offset by an increase in Southern log sales volumes, as discussed above.

Operating Income and Net Contribution to Earnings

Operating income and net contribution to earnings decreased $236 million — 40 percent — primarily due to the change in gross margin, as discussed above, as well as an $80 million impairment charge related to our Montana timberlands assets (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments).

These decreases were partially offset by a $48 million gain related to the sale of our Michigan timberlands assets (refer to Note 4: Divestitures and Assets Held for Sale).

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 41

REAL ESTATE, ENERGY AND NATURAL RESOURCES

HOW WE DID

We report acres sold and average price per acre for our Real Estate, Energy and Natural Resources segment in Our Business/What We Do/Real Estate, Energy and Natural Resources.

Net Sales and Net Contribution to Earnings for Real Estate, Energy and Natural Resources

DOLLAR AMOUNTS IN MILLIONS
					AMOUNT OF CHANGE
	2019		2018		2019 vs. 2018
Net sales to unaffiliated buyers:
Real estate	$	225	$	229	$	(4	)
Energy and natural resources		88		77		11
Subtotal net sales to unaffiliated buyers		313		306		7
Intersegment net sales		1		1		—
Total segment net sales	$	314	$	307	$	7
Costs of sales	$	145	$	155	$	(10	)
Net contribution to earnings	$	144	$	127	$	17

The timing of real estate sales is a function of many factors, including:

• the general state of the economy,

• demand in local real estate markets,

• the ability to obtain entitlements,

• the ability of buyers to obtain financing,

• the number of competing properties listed for sale,

• the seasonal nature of sales (particularly in the northern states),

• the plans of adjacent landowners,

• our expectations of future price appreciation,

• the timing of harvesting activities and

• the availability of government and not-for-profit funding (especially for conservation sales).

In any period, the average sales price per acre will vary based on the location and physical characteristics of parcels sold.

COMPARING 2019 WITH 2018

Net Sales — Unaffiliated Buyers

Net sales to unaffiliated buyers increased $7 million — 2 percent — primarily attributable to an $11 million increase in energy and natural resources sales from an increase in production-based royalties, partially offset by a decrease in real estate acres sold.

Costs of Sales

Costs of sales decreased $10 million — 6 percent — primarily attributable to decreased real estate acres sold.

Net Contribution to Earnings

Net contribution to earnings increased $17 million — 13 percent — attributable to the increase in gross margin as discussed above.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 42

WOOD PRODUCTS

HOW WE DID

We report sales volume and annual production data for our Wood Products segment in Our Business/What We Do/Wood Products.

Net Sales and Net Contribution to Earnings for Wood Products

DOLLAR AMOUNTS IN MILLIONS
					AMOUNT OF CHANGE
	2019		2018		2019 vs. 2018
Net sales:
Structural lumber	$	1,892	$	2,258	$	(366	)
Oriented strand board		632		891		(259	)
Engineered solid section		510		521		(11	)
Engineered I-joists		323		336		(13	)
Softwood plywood		161		200		(39	)
Medium density fiberboard		166		177		(11	)
Complementary building products		602		584		18
Other products produced (1)		337		330		7
Total segment net sales	$	4,623	$	5,297	$	(674	)
Costs of sales	$	4,098	$	4,228	$	(130	)
Operating income and Net contribution to earnings	$	353	$	838	$	(485	)

(1) Other products produced sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations. In 2019, we changed the way we report our Canadian Forestlands operations, which are primarily operated to supply our Canadian Wood Products manufacturing facilities. As a result, we now record the minimal associated third-party log sales in the Wood Products segment. These transactions do not contribute any earnings to the Wood Products segment. We have conformed prior year presentations with the current year.

COMPARING 2019 WITH 2018

Net Sales

Net sales decreased $674 million — 13 percent — primarily due to:

• a $366 million decrease in structural lumber sales attributable to a 19 percent decrease in realizations, partially offset by a 4 percent increase in sales volumes;

• a $259 million decrease in oriented strand board sales attributable to a 31 percent decrease in realizations, partially offset by a 3 percent increase in sales volumes;

• a $39 million decrease in softwood plywood sales attributable to a 17 percent decrease in realizations, as well as a 3 percent decrease in sales volumes;

• a $13 million decrease in engineered I-joists sales attributable to a 6 percent decrease in sales volumes, partially offset by a 2 percent increase in realizations;

• an $11 million decrease in engineered solid section sales attributable to a 5 percent decrease in sales volumes, partially offset by a 2 percent increase in realizations and

• an $11 million decrease in medium density fiberboard sales attributable to a 6 percent decrease in sales volumes.

These decreases were partially offset by an $18 million increase in sales for complementary building products and a $7 million increase in sales for other products produced.

Costs of Sales

Costs of sales decreased $130 million — 3 percent — primarily attributable to lower per unit costs across most product lines.

Operating Income and Net Contribution to Earnings

Operating income and net contribution to earnings decreased $485 million — 58 percent — primarily due to the change in gross margin, as discussed above, partially offset by a $68 million product remediation insurance recovery in 2019 with no similar activity in 2018 (refer to Note 19: Charges (Recoveries) for Product Remediation, Net).

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 43

UNALLOCATED ITEMS

Unallocated Items are gains or charges related to company level initiatives or previous businesses that are not allocated to our current business segments. They include all or a portion of items such as:

• share-based compensation,

• pension and postretirement costs,

• elimination of intersegment profit in inventory and LIFO,

• foreign exchange transaction gains and losses resulting from changes in exchange rates primarily related to our U.S. dollar denominated cash and debt balances that are held by our Canadian subsidiary,

• interest income and other, as well as

• legacy obligations, such as environmental remediation and workers compensation.

Net Charge to Earnings for Unallocated Items

DOLLAR AMOUNTS IN MILLIONS
							AMOUNT OF CHANGE
							2019 vs.
	2019			2018			2018
Unallocated corporate function and variable compensation expense	$	(80	)	$	(84	)	$	4
Liability classified share-based compensation		(7	)		10			(17	)
Foreign exchange gain (loss)		(2	)		3			(5	)
Elimination of intersegment profit in inventory and LIFO		(5	)		6			(11	)
Other		(99	)		(88	)		(11	)
Operating loss		(193	)		(153	)		(40	)
Non-operating pension and other postretirement benefit costs		(516	)		(272	)		(244	)
Interest income and other		30			59			(29	)
Net charge to earnings	$	(679	)	$	(366	)	$	(313	)

Net charge to earnings increased by $313 million — 86 percent — primarily due to:

• a $244 million increase in non-operating pension and other postretirement benefit costs primarily attributable to a $255 million increase in pension settlement charges (refer to Note 9: Pension and Other Postretirement Benefit Plans);

• a $29 million decrease in interest income and other primarily attributable to the maturity of buyer-sponsored SPE investments in 2019 (refer to Note 8: Related Parties) and

• a $17 million increase in expense related to liability classified share-based compensation attributable to the company’s stock price increasing for the year-to-date period ended December 31, 2019 compared to the stock price decreasing for the year-to-date period ended December 31, 2018.

INTEREST EXPENSE

Our net interest expense incurred for the last two years was:

• $378 million in 2019 and

• $375 million in 2018.

Interest expense increased by $3 million compared to 2018 primarily due to a $12 million charge related to the early extinguishment of debt recorded in 2019, partially offset by the decreased weighted average interest rate on our debt portfolio.

INCOME TAXES

As a REIT, we generally are not subject to federal corporate level income taxes on REIT taxable income that is distributed to shareholders. Historical distributions to shareholders, including amounts and tax characteristics, are summarized in the table below.

AMOUNTS PER SHARE
	2019		2018
Common - capital gain distribution	$	1.36	$	1.32

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 44

We are required to pay corporate income taxes on earnings of our TRSs, which include our Wood Products segment and portions of our Timberlands and Real Estate & ENR segments' earnings. Our provision for income taxes is primarily driven by earnings generated by our TRSs.

Our provision (benefit) for income taxes the last two years was:

• $(137) million in 2019 and

• $59 million in 2018.

During 2019, we recorded a $109 million tax benefit related to the noncash pretax settlement charge recorded in connection with our U.S. pension plan and a $17 million tax expense related to an insurance recovery received in connection with prior product remediation efforts.

During 2018, we recorded a $41 million tax benefit related to contributions made to our pension plan and deducted on our 2017 U.S. federal tax return and a $21 million charge related to a tax settlement.

See Note 21: Income Taxes, which outlines the major components related to our income tax provision.

LIQUIDITY AND CAPITAL RESOURCES

We are committed to maintaining an appropriate capital structure that enables us to:

• protect the interests of our shareholders and lenders and

• have access to major financial markets.

CASH FROM OPERATIONS

Consolidated net cash from operations was:

• $966 million in 2019 and

• $1,112 million in 2018.

COMPARING 2019 WITH 2018

Net cash from operations decreased by $146 million, primarily due to a decrease in cash inflows from our business segments.

This decrease in net cash was partially offset by:

• a $336 million decrease in pension and postretirement contributions and benefit payments, which is primarily related to the $300 million voluntary contribution to our U.S. qualified pension plan in 2018 (refer to Note 9: Pension and Other Postretirement Benefit Plans for further information) and

• a $97 million decrease in cash paid for taxes.

Pension Contributions and Benefit Payments Made and Expected

During 2019, we contributed a total of $45 million to our pension and postretirement plans. During 2018, we contributed a total of $381 million to our pension and postretirement plans, including a voluntary contribution of $300 million to our U.S. qualified plan.

For 2020, we expect to contribute approximately $30 million to our pension and postretirement benefit plans. Refer to Note 9: Pension and Other Postretirement Benefit Plans for further information.

INVESTING IN OUR BUSINESS

Cash from investing activities includes items such as:

• acquisitions of property, equipment, timberlands and reforestation and

• proceeds from sales of assets and operations.

Consolidated net cash from investing activities was:

• $187 million in 2019 and

• $(440) million in 2018.

COMPARING 2019 WITH 2018

Net cash from investing activities increased by $627 million primarily due to:

• $297 million of cash proceeds received from the sale of our Michigan timberlands in 2019, with no similar activity in 2018 (refer to Note 4: Divestitures and Assets Held for Sale for further information);

• $253 million of cash proceeds received related to our buyer-sponsored variable interest entities (VIEs) in 2019, with no similar activity in 2018 (refer to Note 8: Related Parties) and

• a $43 million decrease in cash outflow for capital expenditures.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 45

Summary of Capital Spending by Business Segment

DOLLAR AMOUNTS IN MILLIONS
	2019		2018
Timberlands	$	112	$	117
Wood Products		257		306
Unallocated Items		15		4
Total	$	384	$	427

We expect our net capital expenditures for 2020 to be approximately $360 million. The amount we spend on capital expenditures could change due to:

• future economic conditions,

• environmental regulations,

• changes in the composition of our business,

• weather,

• timing of equipment purchases and

• capital needs related to other business opportunities.

FINANCING

Cash from financing activities includes items, such as:

• issuances and payments of debt,

• borrowings and payments on our revolving line of credit,

• proceeds from option exercises and

• payments for cash dividends and repurchasing stock.

Consolidated net cash from financing activities was:

• $(1,348) million in 2019 and

• $(1,162) million in 2018.

COMPARING 2019 WITH 2018

Net cash from financing activities decreased $186 million in 2019, primarily due to the following:

• a $620 million decrease in net cash received related to borrowings on our line of credit (refer to Note 11: Line of Credit);

• a $93 million increase in payments on debt held by VIEs (refer to Note 8: Related Parties);

• a $39 million decrease in cash received from exercise of stock options and

• an $18 million increase in cash used for payments of dividends.

These were partially offset by the following:

• a $289 million increase in net cash proceeds received related to long-term debt (refer to Note 12: Long-Term Debt) and

• a $306 million decrease in cash used to repurchase common shares.

LONG-TERM DEBT

Our consolidated long-term debt (including current portion) was:

• $6.1 billion as of December 31, 2019 and

• $5.9 billion as of December 31, 2018.

The increase in our long-term debt during 2019 is attributable to the issuance of $750 million of 4.00 percent notes due in November 2029 offset by the repayment of our $500 million 7.38 percent note.

The weighted average interest rate and the weighted average maturity on our long-term debt (excluding line of credit) as of December 31, 2019 were 5.90 percent and 6.9 years, respectively.

See Note 12: Long-Term Debt for more information about the long-term debt discussed above.

LINE OF CREDIT

In March 2017, we entered into a $1.5 billion five-year senior unsecured revolving credit facility that expires in March 2022. As of December 31, 2019, we had $230 million of outstanding borrowings on the revolving credit facility and had an additional $1,270 million available. As of December 31, 2018, we had $425 million of outstanding borrowings on the revolving credit facility. We were in compliance with the revolving credit facility covenants as of December 31, 2019 and December 31, 2018.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 46

In January 2020, we amended and restated our $1.5 billion five-year senior unsecured revolving credit facility, which now expires in January 2025.

Our revolving credit agreement and our 2017 term loan agreement utilize the London Inter-bank Offered Rate (LIBOR) as a basis for one of the interest rate options available to the company to apply to outstanding borrowings. LIBOR is expected to be discontinued at some point during 2021, and we are closely monitoring ongoing market developments in the identification or creation of a widely accepted replacement rate. We have included provisions in our new revolving credit agreement that specifically contemplate the transition from LIBOR to a replacement benchmark rate.  We have also discussed the impending discontinuation of LIBOR with our 2017 term loan lenders, and based on those discussions, we expect to amend our term loan agreement to reflect a new reference rate to replace LIBOR, but we do not know with any certainty when that will occur.

As of December 31, 2019, of our $6.1 billion long-term debt and $230 million line of credit borrowings, only $455 million in borrowings are governed by debt agreements that utilize LIBOR as one of the alternative applicable rates. We therefore do not believe that the discontinuation of LIBOR as a reference rate in our debt agreements will have a material adverse effect on our financial position or materially affect our interest expense.  

Our Covenants

Our key covenants include the requirement to maintain:

• a minimum total adjusted shareholders' equity of $3.0 billion and

• a defined debt-to-total-capital ratio of 65 percent or less.

Our total adjusted shareholders' equity is comprised of:

• total shareholders’ equity,

• excluding accumulated comprehensive income (loss),

• minus our investment in our unrestricted subsidiaries.

Our capitalization is comprised of:

• total debt

• plus total adjusted shareholders' equity.

As of December 31, 2019, we had:

• a defined total adjusted shareholders' equity of $8.7 billion and

• a defined debt-to-total-capital ratio of 42.24 percent.

When calculating compliance in accordance with financial debt covenants as of December 31, 2019, we excluded the full amount of accumulated other comprehensive loss of $904 million. When calculating compliance in accordance with financial debt covenants as of December 31, 2018, we excluded the full amount of accumulated other comprehensive loss of $1,152 million. See Note 15: Shareholders’ Interest.

There are no other significant financial debt covenants related to our third-party debt.

CREDIT RATINGS

As of December 31, 2019, our long-term issuer credit rating was BBB and Baa2 from S&P and Moody’s, respectively.

OPTION EXERCISES

Our cash proceeds from the exercise of stock options were:

• $13 million in 2019 and

• $52 million in 2018.

Our average stock price was $26.45 and $33.30 in 2019 and 2018, respectively.

DIVIDENDS

We paid cash dividends on common shares of:

• $1,013 million in 2019 and

• $995 million in 2018.

The increase in dividends paid is primarily due to an increase in our year-to-date dividends from $1.32 per share for 2018 to $1.36 per share for 2019.

SHARE REPURCHASES

We repurchased over 2.3 million shares for approximately $60 million (including transaction fees) during the year ended December 31, 2019, under the 2019 Repurchase Program. We repurchased over 11.4 million shares for approximately $366 million (including transaction fees) during the year ended December 31, 2018, under the 2016 Repurchase Program. There were no unsettled repurchases as of December 31, 2019, or December 31, 2018. For information on share repurchases, see Note 15: Shareholders’ Interest.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 47

OUR CONTRACTUAL OBLIGATIONS AND COMMERCIAL COMMITMENTS

More details about our contractual obligations and commercial commitments are in Note 9: Pension and Other Postretirement Benefit Plans, Note 11: Line of Credit, Note 12: Long-Term Debt, Note 14: Legal Proceedings, Commitments and Contingencies and Note 21: Income Taxes.

Significant Contractual Obligations as of December 31, 2019

DOLLAR AMOUNTS IN MILLIONS
					PAYMENTS DUE BY PERIOD
			LESS THAN		1–3		3–5		MORE THAN
	TOTAL		1 YEAR		YEARS		YEARS		5 YEARS
Long-term debt obligations, including current portion(1)	$	6,144	$	—	$	719	$	1,876	$	3,549
Borrowings on line of credit(2)		230		—		—		—		—
Interest(3)		2,618		358		651		525		1,084
Lease obligations		188		34		52		32		70
Purchase obligations(4)		382		136		146		29		71
Employee-related obligations(5)		362		118		40		27		72
Total	$	9,924	$	646	$	1,608	$	2,489	$	4,846

(1) Does not include nonrecourse debt held by our VIEs. See Note 8: Related Parties for further information on our VIEs and the related nonrecourse debt.

(2) All outstanding amounts are required to be repaid upon the line of credit expiration. The timing of the repayment of the current outstanding balance is uncertain. See Note 11: Line of Credit for further information on our line of credit.

(3) Amounts presented for interest payments assume that all long-term debt obligations outstanding as of December 31, 2019, will remain outstanding until maturity and interest rates on variable-rate debt in effect as of December 31, 2019 will remain in effect until maturity.

(4) Purchase obligations include agreements to purchase goods or services that are enforceable and legally binding on the company and that specify all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions and the approximate timing of the transaction. Purchase obligations exclude arrangements that the company can cancel without penalty.

(5) The timing of certain payments within this category will be triggered by retirements or other events. These payments can include workers' compensation, deferred compensation and banked vacation, among other obligations. When the timing of payment is uncertain, the amounts are included in the total column only. Minimum pension funding is required by established funding standards and estimates are not made beyond 2020. Estimated payments of contractually obligated postretirement benefits are not included due to the uncertainty of payment timing.

OFF-BALANCE SHEET ARRANGEMENTS

Off-balance sheet arrangements have not had — and are not reasonably likely to have — a material effect on our current or future financial condition, results of operations or cash flows. Note 8: Related Parties, Note 11: Line of Credit and Note 14: Legal Proceedings, Commitments and Contingencies contain our disclosures of:

• surety bonds,

• letters of credit and guarantees and

• information regarding variable interest entities.

ENVIRONMENTAL MATTERS, LEGAL PROCEEDINGS AND OTHER CONTINGENCIES

See Note 14: Legal Proceedings, Commitments and Contingencies.

ACCOUNTING MATTERS

CRITICAL ACCOUNTING POLICIES

In the preparation of our financial statements we follow established accounting policies and make estimates that affect both the amounts and timing of the recording of assets, liabilities, revenues and expenses. Some of these estimates require judgments about matters that are inherently uncertain. Accounting policies whose application may have a significant effect on the reported results of operations and financial position are considered critical accounting policies.

In accounting, we base our judgments and estimates on:

• historical experience and

• assumptions we believe are appropriate and reasonable under current circumstances.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 48

Actual results, however, may differ from the estimated amounts we have recorded.

Our most critical accounting policies relate to our:

• pension and postretirement benefit plans;

• potential impairments of long-lived assets and

• legal, environmental and product liability reserves.

Details about our other significant accounting policies — what we use and how we estimate — are in Note 1: Summary of Significant Accounting Policies.

PENSION AND POSTRETIREMENT BENEFIT PLANS

We sponsor several pension and postretirement benefit plans for our employees. Key estimates we use in accounting for the plans include the:

• fair value of our plan assets,

• expected long-term rate of return on plan assets and

• discount rates.

At the end of every year, we review our key estimates with external advisers and make adjustments as appropriate. We use these estimates to calculate plan asset and liability information as of year-end as well as pension and postretirement expense for the following year. Actual experience that differs from our estimates or any changes in our estimates could have a significant effect on our financial position, results of operations and cash flows.

Fair Value of Plan Assets

Plan assets are assets of the pension plan trusts that fund the benefits provided under the pension plans. The fair value of our plan assets estimates the amount that would be received if we were to sell each asset in an orderly transaction between market participants at the reporting date. We estimate the fair value of these assets based on the information available during the year-end reporting process. In some cases, primarily for private equity and hedge funds, the available information consists of net asset values as of an interim date, adjusted for known events occurring between the interim date and year-end.

We value the pension plan assets based on the observability of exit pricing inputs and classify them based on the lowest level input that is significant to the fair value measurement of the pension plan assets in their entirety. These inputs are classified within the fair value hierarchy as follows:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Assets that are measured at fair value using the net asset value per share as a practical expedient are not categorized within the fair value hierarchy.

In general, we value our pension plan assets as follows:

• cash and short-term investments are valued at cost, which approximates market;

• fixed income and public equity investments are valued at exit prices quoted in the public market;

• hedge funds, private equity funds and related fund units are primarily valued based on the net asset value of the funds and

• derivative instruments are valued based upon valuation statements received from each derivative’s counterparty.

Assets that do not have readily available quoted prices in an active market require more judgment to value and have increased valuation risk.

Expected Long-Term Rate of Return on Plan Assets

Our expected long-term rate of return is our estimate of the return that our plan assets will earn over time. This rate is important in determining the net periodic benefit or cost we recognize for our plans.

During the years ended December 31, 2018 and December 31, 2017, we utilized a long-term rate of return on plan assets of 8.0 percent. At the end of 2018, we began implementing a change in our asset strategy to an allocation that more closely aligns with the plan’s liability profile moving forward. This results in a larger allocation of our assets into fixed income securities. With this change, we determined that it was appropriate to reduce our assumption of expected long-term rate of return on plan assets to 7.0 percent for the year ended December 31, 2019. As this strategy has been in place throughout 2019 and a larger percentage of our portfolio has been allocated to fixed income securities, we have determined that an additional reduction in our assumption of long-term rate of return on plan assets to 6.5 percent is appropriate for the year ended December 31, 2020.

Factors we considered include:

• historical returns for a portfolio of assets similar to our expected allocation and

• expected future performance of similar asset classes.

Every 50 basis point decrease in our expected long-term rate of return would increase expense or reduce a credit by approximately:

• $14 million for our U.S. qualified pension plans and

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 49

• $4 million for our Canadian registered pension plans.

The actual return on plan assets in any given year may vary from our expected long-term rate of return. Actual returns on plan assets affect the funded status of the plans. Differences between actual returns on plan assets and the expected long-term rate of return are reflected as adjustments to accumulated other comprehensive loss, a component of total equity.

Discount Rates

The discount rate is used to estimate the net present value of our plan obligations. Our discount rates as of December 31, 2019 are:

• 3.4 percent for our U.S. pension plans — compared with 4.4 percent at December 31, 2018;

• 3.0 percent for our U.S. postretirement plans — compared with 4.2 percent at December 31, 2018;

• 3.1 percent for our Canadian pension plans — compared with 3.7 percent at December 31, 2018 and

• 3.0 percent for our Canadian postretirement plans — compared with 3.7 percent at December 31, 2018.

The discount rates are determined at the measurement date by matching current spot rates of high-quality corporate bonds with maturities similar to the timing of expected cash outflows for benefits.

Pension expenses for 2020 will be based on the 3.4 percent and 3.1 percent assumed discount rates for the U.S. pension plan and the Canadian pension plan, respectively, and 3.0 percent assumed discount rate for the U.S. and Canadian postretirement benefit plans.

Our discount rates are important in determining the cost of our plans. A 50 basis point decrease in our discount rate would increase expense or reduce a credit by approximately:

• $19 million for our U.S. qualified pension plans and

• $5 million for our Canadian registered pension plans.

IMPAIRMENT OF LONG-LIVED ASSETS

We review the carrying value of long-lived assets whenever an event or a change in circumstance indicates that the carrying value of the asset or asset group may not be recoverable through future operations. The carrying value is the original cost, less accumulated depreciation and any past impairments recorded. Refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments for information on an impairment recognized in 2019.

If we evaluate recoverability, we are required to estimate future cash flows and residual values of the asset or asset group. Key assumptions used in developing these estimates would include probability of alternative outcomes, product pricing, raw material cost and product sales.

An impairment occurs when the carrying value of a long-lived asset is greater than the amount that could be recovered from the estimated future cash flows of the asset and greater than fair market value (the amount we could receive if we were to sell the asset). Key assumptions used in developing estimates of fair value would include the estimated future cash flows used to assess recoverability, discount rates and probability of alternative outcomes.

CONTINGENT LIABILITIES

We are subject to lawsuits, investigations and other claims related to environmental, product and other matters, and are required to assess the likelihood of any adverse judgments or outcomes to these matters, as well as the amount or range of potential loss.

We record contingent liabilities when:

• it becomes probable that we will have to make payments and

• the amount of loss can be reasonably estimated.

Assessing probability of loss and estimating the amount of loss requires analysis of multiple factors, including:

• historical experience,

• evaluations of relevant legal and environmental authorities and regulations,

• judgments about the potential actions of third-party claimants and courts and

• consideration of potential environmental remediation methods.

In addition to contingent liabilities recorded for probable losses, we disclose contingent liabilities when there is a reasonable possibility that a loss may have been incurred.

Recorded contingent liabilities are based on the best information available and actual losses in any future period are inherently uncertain. If estimated probable future losses or actual losses exceed our recorded liability for such claims, we record additional charges. These exposures and proceedings can be significant and the ultimate negative outcomes could be material to our operating results or cash flows in any given quarter or year. See Note 14: Legal Proceedings, Commitments and Contingencies for more information.

PROSPECTIVE ACCOUNTING PRONOUNCEMENTS

A summary of prospective accounting pronouncements is in Note 1: Summary of Significant Accounting Policies.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 50

PERFORMANCE MEASURES

We use adjusted earnings before interest, taxes, depreciation, depletion and amortization (Adjusted EBITDA) as a key performance measure to evaluate the performance of the consolidated company and our business segments. This measure should not be considered in isolation from, and is not intended to represent an alternative to, our results reported in accordance with U.S. generally accepted accounting principles (U.S. GAAP). However, we believe Adjusted EBITDA provides meaningful supplemental information for our investors about our operating performance, better facilitates period to period comparisons and is widely used by analysts, lenders, rating agencies and other interested parties. Our definition of Adjusted EBITDA may be different from similarly titled measures reported by other companies. Adjusted EBITDA, as we define it, is operating income adjusted for depreciation, depletion, amortization, basis of real estate sold and special items.

Adjusted EBITDA by Segment

DOLLAR AMOUNTS IN MILLIONS
	2019			2018
Timberlands	$	680		$	902
Real Estate & ENR		274			264
Wood Products		476			987
Unallocated Items		(154	)		(121	)
Total	$	1,276		$	2,032

We reconcile Adjusted EBITDA to net earnings for the consolidated company and to operating income for the business segments, as those are the most directly comparable U.S. GAAP measures for each.

The table below reconciles Adjusted EBITDA by segment to net loss for the year ended December 31, 2019:

DOLLAR AMOUNTS IN MILLIONS
			REAL ESTATE		WOOD			UNALLOCATED
	TIMBERLANDS		& ENR		PRODUCTS			ITEMS			TOTAL
Net loss											$	(76	)
Interest expense, net of capitalized interest (1)												378
Income taxes												(137	)
Net contribution (charge) to earnings	$	347	$	144	$	353		$	(679	)	$	165
Non-operating pension and other postretirement benefit costs(2)		—		—		—			516			516
Interest income and other		—		—		—			(30	)		(30	)
Operating income (loss)		347		144		353			(193	)		651
Depreciation, depletion and amortization		301		14		191			4			510
Basis of real estate sold		—		116		—			—			116
Special items included in operating income (loss)(3)(4)(5)		32		—		(68	)		35			(1	)
Adjusted EBITDA	$	680	$	274	$	476		$	(154	)	$	1,276

(1) Interest expense, net of capitalized interest includes a pretax special item of $12 million related to a charge for the early extinguishment of debt.

(2) Non-operating pension and other postretirement benefit costs includes pretax special items consisting of $455 million noncash settlement charges related to the transfers of pension plan assets and liabilities to an insurance company through the purchase of group annuity contracts.

(3) Operating income (loss) for Timberlands includes pretax special items consisting of an $80 million noncash impairment charge related to the agreement to sell our Montana timberlands and a $48 million gain on sale of our Michigan timberlands.

(4) Operating income (loss) for Wood Products includes a pretax special item consisting of a $68 million product remediation insurance recovery.

(5) Operating income (loss) for Unallocated Items includes pretax special items consisting of $35 million of legal charges.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 51

The table below reconciles Adjusted EBITDA by segment to net earnings for the year ended December 31, 2018:

DOLLAR AMOUNTS IN MILLIONS
			REAL ESTATE			WOOD		UNALLOCATED
	TIMBERLANDS		& ENR			PRODUCTS		ITEMS			TOTAL
Net earnings											$	748
Interest expense, net of capitalized interest												375
Income taxes(1)												59
Net contribution (charge) to earnings	$	583	$	127		$	838	$	(366	)	$	1,182
Non-operating pension and other postretirement benefit costs(2)		—		—			—		272			272
Interest income and other(3)		—		(1	)		—		(59	)		(60	)
Operating income (loss)		583		126			838		(153	)		1,394
Depreciation, depletion and amortization		319		14			149		4			486
Basis of real estate sold		—		124			—		—			124
Special items included in operating income (loss)(4)		—		—			—		28			28
Adjusted EBITDA	$	902	$	264		$	987	$	(121	)	$	2,032

(1) Income taxes include special items consisting of a $41 million tax benefit related to our pension contribution and a $21 million tax adjustment charge.

(2) Non-operating pension and other postretirement benefit costs include a pretax special item consisting of a $200 million noncash settlement charge related to our U.S. qualified pension plan lump sum offer.

(3) Interest income and other includes a pretax special item consisting of a $13 million gain on sale of a nonstrategic asset.

(4) Operating income (loss) for Unallocated Items includes a pretax special item consisting of a $28 million environmental remediation expense.

We also reconcile net earnings before special items to net earnings and net earnings per diluted share before special items to net earnings per diluted share, as those are the most directly comparable U.S. GAAP measures. We believe the measures provide meaningful supplemental information for investors about our operating performance, better facilitate period to period comparisons, and are widely used by analysts, lenders, rating agencies and other interested parties.

The table below reconciles net earnings before special items to net earnings (loss):

DOLLAR AMOUNTS IN MILLIONS
	2019			2018
Net earnings (loss)	$	(76	)	$	748
Early extinguishment of debt charge		9			—
Environmental remediation charge		—			21
Gain on sale of timberlands and other nonstrategic assets		(48	)		(10	)
Legal charges		26			—
Pension settlement charges		345			152
Product remediation recoveries, net		(51	)		—
Restructuring, impairments and other charges		80			—
Tax adjustments		—			(20	)
Net earnings before special items	$	285		$	891

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 52

The table below reconciles net earnings per diluted share before special items to net earnings (loss) per diluted share:

AMOUNTS PER SHARE
	2019			2018
Net earnings (loss) per diluted share	$	(0.10	)	$	0.99
Early extinguishment of debt charge		0.01			—
Environmental remediation charge		—			0.03
Gain on sale of timberlands and other nonstrategic assets		(0.07	)		(0.01	)
Legal charges		0.04			—
Pension settlement charges		0.47			0.20
Product remediation recoveries, net		(0.07	)		—
Restructuring, impairments and other charges		0.11			—
Tax adjustments		—			(0.03	)
Net earnings per diluted share before special items	$	0.39		$	1.18

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 53

QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

LONG-TERM DEBT OBLIGATIONS

The following summary of our long-term debt obligations includes:

• scheduled principal repayments for the next five years and after,

• weighted average interest rates for debt maturing in each of the next five years and after and

• estimated fair values of outstanding obligations.

We estimate the fair value of long-term debt based on quoted market prices we receive for the same types and issues of our debt or on the discounted value of the future cash flows using market yields for the same type and comparable issues of debt. Changes in market rates of interest affect the fair value of our fixed-rate debt.

SUMMARY OF LONG-TERM DEBT OBLIGATIONS AS OF DECEMBER 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	2020			2021			2022			2023			2024			THEREAFTER			TOTAL(1)			FAIR VALUE
Fixed-rate debt	$	—		$	719		$	—		$	1,876		$	—		$	3,324		$	5,919		$	6,986
Average interest rate		—	%		5.60	%		—	%		4.91	%		—	%		6.69	%		5.99	%	N/A
Variable-rate debt(2)	$	—		$	—		$	—		$	—		$	—		$	225		$	225		$	225
Average interest rate		—	%		—	%		—	%		—	%		—	%		3.40	%		3.40	%	N/A

(1) Excludes $3 million of unamortized discounts, capitalized debt expense and business combination fair value adjustments.

(2) Excludes borrowings under our line of credit of $230 million as of December 31, 2019. All outstanding amounts are required to be repaid upon the line of credit expiration. The timing of the repayment of the current outstanding balance is uncertain. See Note 11: Line of Credit for further information on our line of credit.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 54

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Shareholders and Board of Directors
Weyerhaeuser Company:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of Weyerhaeuser Company and subsidiaries (the Company) as of December 31, 2019 and 2018, the related consolidated statements of operations, comprehensive income, cash flows, and changes in equity for each of the years in the three‑year period ended December 31, 2019, and the related notes (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2019 and 2018, and the results of its operations and its cash flows for each of the years in the three‑year period ended December 31, 2019, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission, and our report dated February 14, 2020 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

Change in Accounting Principle

As discussed in Notes 1 and 17 to the consolidated financial statements, the Company has changed its method of accounting for leases as of January 1, 2019 due to the adoption of FASB ASC Topic 842, Leases.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgment. The communication of a critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Evaluation of projected pension benefit obligations and associated plan assets

As discussed in Notes 1 and 9 to the consolidated financial statements, the Company’s projected pension and postretirement benefit obligations and the associated plan assets were $4,411 million and $3,738 million, respectively, as of December 31, 2019.  

We identified the evaluation of the Company’s projected pension benefit obligations and associated plan assets to be a critical audit matter. This is due to the sensitivity of the obligations to changes in the discount rates used, the subjectivity in evaluating those rates, and the need to involve actuarial professionals with specialized skills and knowledge. Additionally, the assessment of the estimated fair value of plan assets, specifically hedge fund and private equity investments which are based on the Net Asset Value (“NAV”), required a higher degree of auditor judgment. The NAV for these investments are obtained from the most recent unaudited capital statements prepared by fund managers and there is judgment and estimation involved in evaluating adjustments made to those capital statement values necessary for purposes of year-end reporting.

The primary procedures we performed to address this critical audit matter included the following. We tested certain internal controls over the Company’s pension process, including controls related to the actuarial determination of the discount rates and the estimated fair value of hedge fund and private equity investments recorded at NAV. We involved actuarial professionals with specialized skills and knowledge who assisted in the evaluation of the Company’s discount rates by understanding the methodology used by the Company, assessing changes in the discount rates from the prior year against changes in published indices, and evaluating the discount rates based on the pattern of future cash flows. In regard to the fair value of plan assets recorded at NAV, we evaluated the reliability of these values by assessing the Company’s ability to accurately estimate fair value in prior years by comparing the prior year estimated fair value (NAV) to prior year audited financial statements. We also involved valuation professionals with specialized skills and knowledge who assisted in evaluating the Company’s estimated fair value (NAV) for hedge fund and private equity investments by comparing the estimated returns for the period since the most recent capital statement against relevant publicly available information. Additionally, we inspected trust statements for observable transactions near year-end to compare to the estimated fair value.

/s/ KPMG LLP

We have served as the Company’s auditor since 2002.

Seattle, Washington

February 14, 2020

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 55

CONSOLIDATED STATEMENT OF OPERATIONS

FOR THE THREE-YEAR PERIOD ENDED DECEMBER 31, 2019

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
	2019			2018			2017
Net sales	$	6,554		$	7,476		$	7,196
Costs of sales		5,412			5,592			5,298
Gross margin		1,142			1,884			1,898
Selling expenses		84			88			87
General and administrative expenses		348			318			310
Charges for integration and restructuring, closures and asset impairments (Note 18)		80			2			194
Charges (recoveries) for product remediation, net (Note 19)		(68	)		—			290
Other operating costs (income), net (Note 20)		47			82			(114	)
Operating income		651			1,394			1,131
Non-operating pension and other postretirement benefit costs (Note 9)		(516	)		(272	)		(62	)
Interest income and other		30			60			40
Interest expense, net of capitalized interest		(378	)		(375	)		(393	)
Earnings (loss) before income taxes		(213	)		807			716
Income taxes (Note 21)		137			(59	)		(134	)
Net earnings (loss)	$	(76	)	$	748		$	582
Basic and diluted earnings (loss) per share (Note 5):	$	(0.10	)	$	0.99		$	0.77
Weighted average shares outstanding (in thousands) (Note 5):
Basic		745,897			754,556			753,085
Diluted		745,897			756,827			756,666

See accompanying Notes to Consolidated Financial Statements.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 56

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

FOR THE THREE-YEAR PERIOD ENDED DECEMBER 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Comprehensive income:
Net earnings (loss)	$	(76	)	$	748		$	582
Other comprehensive income (loss):
Foreign currency translation adjustments		26			(54	)		32
Changes in unamortized actuarial loss, net of tax (expense) benefit of ($73) in 2019, ($235) in 2018 and $2 in 2017		225			733			(132	)
Changes in unamortized net prior service credit, net of tax (expense) benefit of ($1) in 2019, $3 in 2018 and $2 in 2017		(3	)		(7	)		(5	)
Unrealized gains on available-for-sale securities		—			—			2
Total comprehensive income	$	172		$	1,420		$	479

See accompanying Notes to Consolidated Financial Statements.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 57

CONSOLIDATED BALANCE SHEET

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PAR VALUE
	DECEMBER 31, 2019			DECEMBER 31, 2018
ASSETS
Current assets:
Cash and cash equivalents	$	139		$	334
Receivables, net		309			337
Receivables for taxes		98			137
Inventories (Note 6)		416			389
Assets held for sale (Note 4)		140			—
Prepaid expenses and other current assets		147			152
Current restricted financial investments held by variable interest entities (Note 8)		362			253
Total current assets		1,611			1,602
Property and equipment, net (Note 7)		1,969			1,857
Construction in progress		130			136
Timber and timberlands at cost, less depletion		11,929			12,671
Minerals and mineral rights, less depletion		281			294
Deferred tax assets (Note 21)		72			15
Other assets		414			312
Restricted financial investments held by variable interest entities (Note 8)		—			362
Total assets	$	16,406		$	17,249
LIABILITIES AND EQUITY
Current liabilities:
Current maturities of long-term debt (Notes 12 and 13)	$	—		$	500
Current debt (nonrecourse to the company) held by variable interest entities (Note 8)		—			302
Borrowings on line of credit (Notes 11 and 13)		230			425
Accounts payable		246			222
Accrued liabilities (Note 10)		530			490
Total current liabilities		1,006			1,939
Long-term debt, net (Notes 12 and 13)		6,147			5,419
Deferred tax liabilities (Note 21)		6			43
Deferred pension and other postretirement benefits (Note 9)		693			527
Other liabilities		377			275
Commitments and contingencies (Note 14)
Total liabilities		8,229			8,203
Equity:
Weyerhaeuser shareholders’ interest (Notes 15 and 16):
Common shares: $1.25 par value; authorized 1,360 million shares; issued and outstanding: 745,300 thousand shares at December 31, 2019 and 746,391 thousand shares at December 31, 2018		932			933
Other capital		8,152			8,172
Retained earnings (accumulated deficit)		(3	)		1,093
Accumulated other comprehensive loss (Note 15)		(904	)		(1,152	)
Total equity		8,177			9,046
Total liabilities and equity	$	16,406		$	17,249

See accompanying Notes to Consolidated Financial Statements.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 58

CONSOLIDATED STATEMENT OF CASH FLOWS

FOR THE THREE-YEAR PERIOD ENDED DECEMBER 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Cash flows from operations:
Net earnings (loss)	$	(76	)	$	748		$	582
Noncash charges (credits) to income:
Depreciation, depletion and amortization		510			486			521
Basis of real estate sold		116			124			81
Deferred income taxes, net (Note 21)		(169	)		72			44
Pension and other postretirement benefits (Note 9)		548			309			97
Share-based compensation expense (Note 16)		30			42			40
Charges for impairment of assets (Note 18)		80			1			154
Net gains on sale of nonstrategic assets		(5	)		(16	)		(16	)
Net gains on sale of nonstrategic timberlands (Notes 4 and 8)		(48	)		—			(99	)
Change in:
Receivables, less allowances		13			62			(35	)
Receivable and payable for taxes		33			(103	)		(50	)
Inventories		(23	)		(14	)		(39	)
Prepaid expenses and other current assets		6			(18	)		(12	)
Accounts payable and accrued liabilities		37			(154	)		106
Pension and postretirement contributions / benefit payments		(45	)		(381	)		(78	)
Other		(41	)		(46	)		(95	)
Net cash from operations		966			1,112			1,201
Cash flows from investing activities:
Capital expenditures for property and equipment		(327	)		(368	)		(358	)
Capital expenditures for timberlands reforestation		(57	)		(59	)		(61	)
Proceeds from note receivable held by variable interest entities (Note 8)		253			—			—
Proceeds from disposition of operations (Note 4)		—			—			403
Proceeds from sale of nonstrategic assets		6			4			26
Proceeds from sale of nonstrategic timberlands (Notes 4 and 8)		297			—			203
Proceeds from redemption of ownership in related party (Note 8)		—			—			108
Other		15			(17	)		46
Net cash from investing activities		187			(440	)		367
Cash flows from financing activities:
Cash dividends on common shares		(1,013	)		(995	)		(941	)
Proceeds from issuance of long-term debt (Note 12)		739			—			225
Payments on long-term debt (Note 12)		(512	)		(62	)		(831	)
Proceeds from borrowings on line of credit (Note 11)		1,095			425			100
Payments on line of credit (Note 11)		(1,290	)		—			(100	)
Payments on debt held by variable interest entities (Note 8)		(302	)		(209	)		—
Proceeds from exercise of stock options		13			52			128
Repurchases of common shares (Note 15)		(60	)		(366	)		—
Other		(18	)		(7	)		(1	)
Net cash from financing activities		(1,348	)		(1,162	)		(1,420	)
Net change in cash and cash equivalents	$	(195	)	$	(490	)	$	148
Cash and cash equivalents at beginning of year	$	334		$	824		$	676
Cash and cash equivalents at end of year	$	139		$	334		$	824
Cash paid (received) during the year for:
Interest, net of amounts capitalized of $5 in 2019, $9 in 2018 and $9 in 2017	$	370		$	358		$	381
Income taxes, net of refunds	$	(2	)	$	95		$	169

See accompanying Notes to Consolidated Financial Statements.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 59

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY

FOR THE THREE-YEAR PERIOD ENDED DECEMBER 31, 2019

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
	2019			2018			2017
Common shares:
Balance at beginning of year	$	933		$	944		$	936
Issued for exercise of stock options and vested restricted stock units		2			4			8
Repurchases of common shares (Note 15)		(3	)		(15	)		—
Balance at end of year		932			933			944
Other capital:
Balance at beginning of year		8,172			8,439			8,282
Issued for exercise of stock options		12			49			128
Repurchases of common shares (Note 15)		(57	)		(351	)		—
Share-based compensation		30			42			35
Other transactions, net		(5	)		(7	)		(6	)
Balance at end of year		8,152			8,172			8,439
Retained earnings (accumulated deficit):
Balance at beginning of year		1,093			1,078			1,421
Net earnings (loss)		(76	)		748			582
Dividends on common shares		(1,013	)		(995	)		(944	)
Adjustments related to new accounting pronouncements (Note 17)		(7	)		262			19
Balance at end of year		(3	)		1,093			1,078
Accumulated other comprehensive loss:
Balance at beginning of year		(1,152	)		(1,562	)		(1,459	)
Other comprehensive income		248		672				(103	)
Adjustments related to new accounting pronouncements and other (Note 15)		—			(262	)		—
Balance at end of year		(904	)		(1,152	)		(1,562	)
Total equity:
Balance at end of year	$	8,177		$	9,046		$	8,899
Dividends paid per common share	$	1.36		$	1.32		$	1.25

See accompanying Notes to Consolidated Financial Statements.

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INDEX FOR NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1:	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	61
NOTE 2:	BUSINESS SEGMENTS	66
NOTE 3:	REVENUE RECOGNITION	67
NOTE 4:	DIVESTITURES AND ASSETS HELD FOR SALE	69
NOTE 5:	NET EARNINGS (LOSS) PER SHARE	69
NOTE 6:	INVENTORIES	70
NOTE 7:	PROPERTY AND EQUIPMENT	70
NOTE 8:	RELATED PARTIES	71
NOTE 9:	PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS	72
NOTE 10:	ACCRUED LIABILITIES	82
NOTE 11:	LINE OF CREDIT	82
NOTE 12:	LONG-TERM DEBT	82
NOTE 13:	FAIR VALUE OF FINANCIAL INSTRUMENTS	84
NOTE 14:	LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES	84
NOTE 15:	SHAREHOLDERS’ INTEREST	86
NOTE 16:	SHARE-BASED COMPENSATION	87
NOTE 17:	LEASES	92
NOTE 18:	CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS	94
NOTE 19:	CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET	94
NOTE 20:	OTHER OPERATING COSTS (INCOME), NET	94
NOTE 21:	INCOME TAXES	95
NOTE 22:	GEOGRAPHIC AREAS	98
NOTE 23:	SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED)	99

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 61

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Our significant accounting policies describe:

• our election to be taxed as a real estate investment trust,

• how we report our results,

• changes in how we report our results and

• how we account for various items.

OUR ELECTION TO BE TAXED AS A REAL ESTATE INVESTMENT TRUST (REIT)

Starting with our 2010 fiscal year, we elected to be taxed as a REIT. REIT income can be distributed to shareholders without first paying corporate level tax, substantially eliminating the double taxation on income. We expect to derive most of our REIT income from investments in timberlands, including the sale of standing timber through pay-as-cut sales contracts and lump sum timber deeds.

We have not been subject to REIT built-in gains tax since December 31, 2014. We continue to be required to pay federal corporate income taxes on earnings of our Taxable REIT Subsidiaries (TRSs), which include our Wood Products segment and portions of our Timberlands and Real Estate, Energy and Natural Resources (Real Estate & ENR) segments.

HOW WE REPORT OUR RESULTS

Our report includes:

• consolidated financial statements,

• our business segments,

• estimates,

• fair value measurements and

• foreign currency translation.

Consolidated Financial Statements

Our consolidated financial statements provide an overall view of our results and financial condition. They include our accounts and the accounts of entities that we control, including:

• majority-owned domestic and foreign subsidiaries and

• variable interest entities in which we are the primary beneficiary.

They do not include our intercompany transactions and accounts, which are eliminated.

Throughout these Notes to Consolidated Financial Statements, unless specified otherwise, references to “Weyerhaeuser,” "the company," “we” and “our” refer to the consolidated company.

Our Business Segments

Reportable business segments are determined based on the company’s "management approach," as defined by Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 280, Segment Reporting. The management approach is based on the way the chief operating decision maker organizes the segments within a company for making decisions about resources to be allocated and assessing their performance.

We are principally engaged in:

• growing and harvesting timber;

• manufacturing, distributing and selling products made from trees;

• maximizing the value of every acre we own through the sale of higher and better use (HBU) properties and

• monetizing the value of surface and subsurface assets through leases and royalties.

Our business segments are organized based primarily on products and services.

SEGMENT	PRODUCTS AND SERVICES
Timberlands	Logs, timber, recreational leases and other products
Real Estate & ENR	Real Estate (sales of timberlands) and ENR (rights to explore for and extract hard minerals, construction materials, oil and gas production, wind and solar)
Wood Products	Structural lumber, oriented strand board, engineered wood products and building materials distribution

We also transfer raw materials, semi-finished materials and end products among our business segments. Because of this intracompany activity, accounting for our business segments involves pricing products transferred between our business segments at current market values.

Unallocated Items are gains or charges related to company level initiatives or previous businesses that are not allocated to our current business segments. They include all or a portion of items such as share-based compensation, pension and postretirement costs, elimination of

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 62

intersegment profit in inventory and LIFO, foreign exchange transaction gains and losses, interest income and other as well as legacy obligations such as environmental remediation and workers compensation.

Estimates

We prepare our financial statements according to U.S. generally accepted accounting principles (U.S. GAAP). This requires us to make estimates and assumptions during our reporting periods and at the date of our financial statements. The estimates and assumptions affect our:

• reported amounts of assets, liabilities and equity;

• disclosure of contingent assets and liabilities and

• reported amounts of revenues and expenses.

While we do our best in preparing these estimates, actual results can and do differ from those estimates and assumptions.

Fair Value Measurements

We use a fair value hierarchy in accounting for certain nonfinancial assets and liabilities including:

• long-lived assets (asset groups) measured at fair value for an impairment assessment;

• pension plan assets measured at fair value and

• asset retirement obligations initially measured at fair value.

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Foreign Currency Translation

We translate foreign currencies into U.S. dollars in two ways:

• assets and liabilities — at the exchange rates in effect as of our balance sheet date and

• revenues and expenses — at average monthly exchange rates throughout the year.

CHANGES IN HOW WE REPORT OUR RESULTS

Changes in how we report our results come from:

• reclassification of certain balances and results from prior years to make them consistent with our current reporting and

• accounting changes made upon our adoption of new accounting guidance.

Reclassifications

We have reclassified certain balances and results from prior years to be consistent with our 2019 reporting. This makes year-to-year comparisons easier. Our reclassifications had no effect on consolidated net earnings or equity.

New Accounting Pronouncements

Lease Recognition

On January 1, 2019 we adopted FASB ASC Topic 842, Leases, which requires lessees to recognize assets and liabilities for the rights and obligations created by leases and requires leases to be recognized on the balance sheet. We adopted using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings.

With this adoption approach, financial information was not updated and disclosures required under the new standard were not provided for dates and periods before January 1, 2019. The adoption resulted in the recognition of additional right-of-use assets and lease liabilities for leases that each constitute less than 2 percent of total assets on our Consolidated Balance Sheet. These leases are primarily related to vehicles, equipment, office and warehouse locations as disclosed in Note 17: Leases.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 63

Benefit Plans Disclosure

In August 2018, the FASB issued ASU 2018-14, which requires certain new disclosures, such as an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period, as well as removes the requirement to disclose certain previously required information. The new guidance is effective retrospectively for all periods presented for fiscal periods starting after December 15, 2020, and early adoption is permitted. We adopted this ASU on December 31, 2019 and have updated our disclosures accordingly. This pronouncement does not have an effect on our consolidated financial statements. Refer to Note 9: Pension and Other Postretirement Benefit Plans for information about our postretirement benefit plans.

HOW WE ACCOUNT FOR VARIOUS ITEMS

This section provides information about how we account for certain key items related to:

• capital investments,

• financing our business and

• operations.

ITEMS RELATED TO CAPITAL INVESTMENTS

Key items related to accounting for capital investments pertain to property and equipment, timber and timberlands and impairment of long-lived assets.

Property and Equipment

We maintain property accounts on an individual asset basis and account for them as follows:

• Improvements to and replacements of major units of property are capitalized.

• Maintenance, repairs and minor replacements are expensed.

• Depreciation is calculated using a straight-line method at rates based on estimated service lives.

• Costs associated with logging roads that we intend to utilize for a period longer than one year are capitalized. These roads are then amortized over an estimated service life.

• Cost and accumulated depreciation of property sold or retired are removed from the accounts and the gain or loss is included in earnings.

Timber and Timberlands

We carry timber and timberlands at cost less depletion. Depletion refers to the carrying value of timber that is harvested, lost as a result of casualty or sold.

Key activities affecting how we account for timber and timberlands include:

• reforestation,

• depletion and

• forest management in Canada.

Reforestation. Generally, we capitalize initial site preparation and planting costs as reforestation and then expense costs after the first planting as they are incurred or over the period of expected benefit. These expensed costs include:

• fertilization,

• vegetation and insect control,

• pruning and precommercial thinning and

• property taxes.

Accounting practices for these costs do not change when timber becomes merchantable and harvesting starts.

Timber depletion. To determine depletion rates, we divide the net carrying value of timber by the related volume of timber estimated to be available over the growth cycle. To determine the growth cycle volume of timber, we consider:

• regulatory and environmental constraints,

• our management strategies,

• inventory data improvements,

• growth rate revisions and recalibrations and

• known dispositions and inoperable acres.

In addition, the duration of the harvest cycle varies by geographic region and species of timber.

Depletion rate calculations do not include estimates for:

• future silviculture or sustainable forest management costs associated with existing stands;

• future reforestation costs associated with a stand's final harvest and

• future volume in connection with the replanting of a stand subsequent to its final harvest.

We include the cost of timber harvested in the carrying values of raw materials and product inventories. As these inventories are sold to third parties, we include them in costs of sales.

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Forest Management in Canada. We manage timberlands under long-term licenses in various Canadian provinces that are:

• granted by the provincial governments;

• granted for initial periods of 15 to 25 years and

• renewable provided we meet reforestation, operating and management guidelines.

Calculation of the fees we pay on the timber we harvest:

• varies from province to province,

• is tied to product market pricing and

• depends upon the allocation of land management responsibilities in the license.

Impairment of Long-Lived Assets

We review the carrying value of long-lived assets whenever an event or a change in circumstance indicates that the carrying value of the asset or asset group may not be recoverable through future operations. The carrying value is the original cost, less accumulated depreciation and any past impairments recorded. Impaired assets held for use are written down to fair value. Impaired assets held for sale are written down to fair value less cost to sell. We determine fair value based on:

• appraisals,

• market pricing of comparable assets,

• discounted value of estimated future cash flows from the asset,

• replacement values of comparable assets and

• agreed upon sale price or offer price.

ITEMS RELATED TO FINANCING OUR BUSINESS

Key items related to financing our business include financial instruments, cash and cash equivalents, accounts payable and concentration of risk.

Financial Instruments

We estimate the fair value of financial instruments where appropriate. The assumptions we use — including the discount rate and estimates of cash flows — can significantly affect our fair-value amounts. Our fair values are estimates and may not match the amounts we would realize upon sale or settlement of our financial positions.

Cash Equivalents

Cash equivalents are investments with maturities of 90 days or less at the date of purchase. We state cash equivalents at cost, which approximates market.

Accounts Payable

Our banking system replenishes our major bank accounts daily as checks we have issued are presented for payment. As a result, we may have negative book cash balances due to outstanding checks that have not yet been paid by the bank. These negative balances would be included in "Accounts payable" on our Consolidated Balance Sheet. Changes in these negative cash balances would be reported as financing activities on our Consolidated Statement of Cash Flows. We had no negative book cash balances as of December 31, 2019 or December 31, 2018.

Concentration of Risk

We disclose customers that represent a concentration of risk. As of December 31, 2019, and December 31, 2018, no customer accounted for 10 percent or more of our net sales.

ITEMS RELATED TO OPERATIONS

Key items related to operations include revenue recognition, inventories, shipping and handling costs, income taxes, pension and other postretirement benefit plans and environmental remediation.

Revenue Recognition

Refer to Note 3: Revenue Recognition for detail on how we account for revenue.

Inventories

We state inventories at the lower of cost or net realizable value. Cost includes labor, materials and production overhead. LIFO — the last-in, first-out method — applies to major inventory products held at our U.S. domestic locations. We began to use the LIFO method for domestic products in the 1940s as required to conform with the tax method elected. Subsequent acquisitions of entities added new products under the FIFO — the first-in, first-out method — or moving average cost methods that have continued under those methods. The FIFO or moving average cost method applies to the balance of our domestic raw material and product inventories as well as for all material and supply inventories and all foreign inventories.

Shipping and Handling Costs

We classify shipping and handling costs in "Costs of sales" on our Consolidated Statement of Operations.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 65

Income Taxes

We account for income taxes under the asset and liability method. Unrecognized tax benefits represent potential future funding obligations to taxing authorities if uncertain tax positions we have taken on previously filed tax returns are not sustained. Accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense.

We recognize deferred tax assets and liabilities to reflect:

• future tax consequences due to differences between the carrying amounts for financial reporting purposes and the tax bases of certain items and

• net operating loss and tax credit carryforwards.

To measure deferred tax assets and liabilities, we:

• determine when the differences between the carrying amounts and tax bases of affected items are expected to be recovered or resolved and

• use enacted tax rates expected to apply to taxable income in those years.

Pension and Other Postretirement Benefit Plans

We recognize the overfunded or underfunded status of our defined benefit pension and other postretirement plans on our Consolidated Balance Sheet and recognize changes in the funded status through comprehensive income (loss) in the year in which the changes occur.

Actuarial valuations determine the amount of the pension and other postretirement benefit obligations and the net periodic benefit cost we recognize. The net periodic benefit cost includes:

• cost of benefits provided in exchange for employees’ services rendered during the year;

• interest cost of the obligations;

• expected long-term return on plan assets;

• gains or losses on plan settlements and curtailments;

• amortization of prior service costs and plan amendments over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants affected by the plan amendment are inactive and

• amortization of cumulative unrecognized net actuarial gains and losses — generally in excess of 10 percent of the greater of the benefit obligation or the combination of market-related and fair value of plan assets at the beginning of the year — over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants are inactive.

Pension plans. We have defined benefit pension plans covering approximately half of our employees. Determination of benefits differs for salaried, hourly and union employees as follows:

• Salaried employee benefits are based on each employee’s highest monthly earnings for five consecutive years during the final 10 years before retirement.

• Hourly and union employee benefits generally are stated amounts for each year of service.

• Union employee benefits are set through collective-bargaining agreements.

We contribute to our U.S. and Canadian pension plans according to established funding standards. The funding standards for the plans are:

• U.S. pension plans — according to the Employee Retirement Income Security Act of 1974 and

• Canadian pension plans — according to the applicable provincial pension act and the Income Tax Act.

Postretirement benefits other than pensions. We provide certain postretirement health care and life insurance benefits for some retired employees. In some cases, we pay a portion of the cost of the benefit. Note 9: Pension and Other Postretirement Benefit Plans provides additional information about our postretirement benefit plans.

Environmental Remediation

We accrue losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Future expenditures for environmental remediation obligations are not discounted to their present value. Recoveries of environmental remediation costs from other parties are recorded as assets when the recovery is deemed probable and does not exceed the amount of losses previously recorded.

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NOTE 2: BUSINESS SEGMENTS

Our business segments and how we account for those segments are discussed in Note 1: Summary of Significant Accounting Policies. This note provides key financial data by business segment.

KEY FINANCIAL DATA BY BUSINESS SEGMENT

Sales and Net Contribution (Charge) to Earnings

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS AND INTERSEGMENT ELIMINATIONS			CONSOLIDATED
Sales to unaffiliated customers(1)
2019	$	1,618	$	313	$	4,623	$	—		$	6,554
2018	$	1,873	$	306	$	5,297	$	—		$	7,476
2017	$	1,893	$	280	$	5,023	$	—		$	7,196
Intersegment sales(1)
2019	$	503	$	1	$	—	$	(504	)	$	—
2018	$	537	$	1	$	—	$	(538	)	$	—
2017	$	522	$	1	$	—	$	(523	)	$	—
Net contribution (charge) to earnings
2019	$	347	$	144	$	353	$	(679	)	$	165
2018	$	583	$	127	$	838	$	(366	)	$	1,182
2017	$	532	$	146	$	569	$	(138	)	$	1,109

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

Management evaluates segment performance based on the net contribution (charge) to earnings of the respective segments. An analysis and reconciliation of our business segment information to the consolidated financial statements follows:

Reconciliation of Net Contribution to Earnings to Net Earnings (Loss)

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Net contribution to earnings	$	165		$	1,182		$	1,109
Interest expense, net of capitalized interest		(378	)		(375	)		(393	)
Income (loss) before income taxes		(213	)		807			716
Income taxes		137			(59	)		(134	)
Net earnings (loss)	$	(76	)	$	748		$	582

Additional Financial Information

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Depreciation, depletion and amortization
2019	$	301	$	14	$	191	$	4	$	510
2018	$	319	$	14	$	149	$	4	$	486
2017	$	356	$	15	$	145	$	5	$	521
Capital expenditures
2019	$	112	$	—	$	257	$	15	$	384
2018	$	117	$	—	$	306	$	4	$	427
2017	$	115	$	2	$	299	$	3	$	419

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Total Assets

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS and REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Total assets(1)(2)
2019	$	13,130	$	2,452	$	824	$	16,406
2018	$	13,792	$	2,280	$	1,177	$	17,249

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, Canadian Forestlands assets previously reported in the Timberlands segment are now recorded in the Wood Products segment. We have conformed prior year presentations with the current year.

(2) Assets attributable to the Real Estate & ENR business segment are combined with total assets for the Timberlands segment as we do not produce separate balance sheets internally.

NOTE 3: REVENUE RECOGNITION

A majority of our revenue is derived from sales of delivered logs and manufactured wood products. We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the cumulative effect method. The adoption of the new revenue recognition guidance did not materially affect our Consolidated Statement of Operations, Consolidated Balance Sheet or Consolidated Statement of Cash Flows.

PERFORMANCE OBLIGATIONS

A performance obligation, as defined in ASC Topic 606, is a promise in a contract to transfer a distinct good or service to a customer. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue at the point in time, or over the period, in which the performance obligation is satisfied.

Performance obligations associated with delivered log sales are typically satisfied when the logs are delivered to our customers’ mills or delivered to an ocean vessel in the case of export sales. Performance obligations associated with the sale of wood products are typically satisfied when the products are shipped. We have elected, as an accounting policy, to treat shipping and handling that is performed after a customer obtains control of the product as an activity required to fulfill the promise to transfer the good; therefore we will not evaluate this requirement as a separate performance obligation.

Customers are generally invoiced shortly after logs are delivered or after wood products are shipped, with payment generally due within a month or less of the invoice date. ASC Topic 606 requires entities to consider significant financing components of contracts with customers, though allows for the use of a practical expedient when the period between satisfaction of a performance obligation and payment receipt is one year or less. Given the nature of our revenue transactions, we have elected to utilize this practical expedient.

Performance obligations associated with real estate sales are generally met when placed into escrow and all conditions of closing have been satisfied.

CONTRACT ESTIMATES

Substantially all of our performance obligations are satisfied as of a point in time. Therefore, there is little judgment in determining when control transfers for our business segments as described above.

The transaction price for log sales generally equals the amount billed to our customer for logs delivered during the accounting period. For the limited number of log sales subject to a long-term supply agreement, the transaction price is variable but is known at the time of billing. For wood products sales, the transaction price is generally the amount billed to the customer for the products shipped but may be reduced slightly for estimated cash discounts and rebates.

There are no significant contract estimates related to the real estate business.

CONTRACT BALANCES

In general, customers are billed and a receivable is recorded as we ship and/or deliver wood products and logs. We generally receive payment shortly after products have been received by our customers. Contract asset and liability balances are immaterial.

For real estate sales, the company receives the entire consideration in cash at closing.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 68

MAJOR PRODUCTS

A Reconciliation of Revenue Recognized by our Major Products:

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Net sales to unaffiliated customers:
Timberlands segment(1)
Delivered logs:
West
Domestic sales	$	375	$	503	$	473
Export grade sales		365		484		442
Subtotal West		740		987		915
South		640		625		616
North(2)		92		99		95
Other(3)		—		—		23
Subtotal delivered logs sales		1,472		1,711		1,649
Stumpage and pay-as-cut timber		42		59		73
Recreational and other lease revenue		61		59		59
Other(4)		43		44		112
Net sales attributable to Timberlands segment		1,618		1,873		1,893
Real Estate & ENR segment
Real estate		225		229		208
Energy and natural resources		88		77		72
Net sales attributable to Real Estate & ENR segment		313		306		280
Wood Products segment(1)
Structural lumber		1,892		2,258		2,058
Oriented strand board		632		891		904
Engineered solid section		510		521		500
Engineered I-joists		323		336		336
Softwood plywood		161		200		176
Medium density fiberboard		166		177		183
Complementary building products		602		584		541
Other(5)		337		330		325
Net sales attributable to Wood Products segment		4,623		5,297		5,023
Total	$	6,554	$	7,476	$	7,196

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Other delivered logs included sales from timberlands managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

(4) Other Timberlands sales includes sales of seeds and seedlings from our nursery operations as well as wood chips. Prior to our Uruguay operations being divested in September 2017, sales from these operations were included within this amount as well. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(5) Other Wood Products sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations.

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NOTE 4: DIVESTITURES AND ASSETS HELD FOR SALE

DIVESTITURES

On September 16, 2019, we announced an agreement to sell 555,000 acres of Michigan timberlands, which was part of our Timberlands business segment. On November 13, 2019, we completed the sale to an affiliate of The Lyme Timber Company LP for $297 million of cash proceeds, which is net of purchase price adjustments and closing costs. As a result of the sale, we recorded a $48 million gain in the Timberlands segment.

On September 1, 2017, we completed the sale of our Uruguay timberlands and manufacturing operations to a consortium led by BTG Pactual's Timberland Investment Group, including other long-term investors, for $403 million of cash proceeds. Due to the impairment of our Uruguay operations recorded during second quarter 2017 (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments), no material gain or loss was recorded as a result of this sale.

Neither of the divestitures discussed above were considered strategic shifts that had or will have a major effect on our operations or financial results and therefore did not meet the requirements for presentation as discontinued operations.

ASSETS HELD FOR SALE

On December 17, 2019, we announced an agreement to sell 630,000 acres of Montana timberlands for $145 million in cash, which is subject to customary closing conditions. This sale to Southern Pine Plantations is expected to close in second quarter 2020, and the transaction relates to the Timberlands segment.

The sale of our Montana timberlands is not considered a strategic shift that has, or will have, a major effect on our operations or financial results and therefore does not meet the requirements for presentation as discontinued operations. However, the related assets have met the relevant criteria to be classified as held for sale in the current period Consolidated Balance Sheet. The designation as held for sale requires us to record the related net assets at the lower of their current cost basis or fair value, less an amount of estimated selling costs, and thus, we recognized a noncash pretax impairment charge of $80 million in fourth quarter 2019 (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments). Other than the impairment charge associated with held for sale classification, this classification does not affect the presentation in the Consolidated Statement of Operations. The held for sale classification did change the presentation of the related assets from long-term to current on the Consolidated Balance Sheet.

As of December 31, 2019, “Assets held for sale” had a balance of $140 million, which consisted primarily of timberlands and other related assets, after an impairment of $80 million.  

NOTE 5: NET EARNINGS (LOSS) PER SHARE

Our basic and diluted earnings (loss) per share for the last three years were:

• $(0.10) in 2019,

• $0.99 in 2018 and

• $0.77 in 2017.

HOW WE CALCULATE BASIC AND DILUTED NET EARNINGS (LOSS) PER SHARE

Basic earnings (loss) per share is net earnings (loss) available to common shareholders divided by the weighted average number of our outstanding common shares, including stock equivalent units where there is no circumstance under which those shares would not be issued.

Diluted earnings (loss) per share is net earnings (loss) available to common shareholders divided by the sum of the:

• weighted average number of our outstanding common shares and

• the effect of our outstanding dilutive potential common shares.

Dilutive potential common shares may include:

• outstanding stock options,

• restricted stock units and

• performance share units.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 70

Calculation of Weighted Average Number of Outstanding Common Shares – Dilutive

SHARES IN THOUSANDS
	2019		2018		2017
Weighted average number of outstanding shares - basic		745,897		754,556		753,085
Dilutive potential common shares:
Stock options		—		1,310		2,571
Restricted stock units		—		566		582
Performance share units		—		395		428
Total effect of outstanding dilutive potential common shares		—		2,271		3,581
Weighted average number of outstanding common shares - dilutive		745,897		756,827		756,666

We use the treasury stock method to calculate the dilutive effect of our outstanding stock options, restricted stock units and performance share units. Share-based payment awards that are contingently issuable upon the achievement of specified performance or market conditions are included in our diluted earnings per share calculation in the period in which the conditions are satisfied.

SHARES EXCLUDED FROM DILUTIVE EFFECT

The following shares were not included in the computation of diluted earnings (loss) per share because they were either antidilutive or the required performance or market conditions were not met. Some or all of these shares may be dilutive potential common shares in future periods.

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

SHARES IN THOUSANDS
	2019		2018		2017
Stock options		2,631		2,402		1,351
Restricted stock units		477		—		—
Performance share units		1,131		1,080		799

NOTE 6: INVENTORIES

Inventories include raw materials, work-in-process, finished goods as well as materials and supplies, as shown below:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
LIFO inventories:
Logs	$	19	$	11
Lumber, plywood, panels and fiberboard		82		75
Other products		10		10
FIFO or moving average cost inventories:
Logs		28		35
Lumber, plywood, panels, fiberboard and engineered wood products		84		86
Other products		98		83
Materials and supplies		95		89
Total	$	416	$	389

If we used FIFO for all LIFO inventories, our stated inventories would have been higher by $76 million as of December 31, 2019, and $79 million as of December 31, 2018.

HOW WE ACCOUNT FOR OUR INVENTORIES

The Inventories section of Note 1: Summary of Significant Accounting Policies provides details about how we account for our inventories.

NOTE 7: PROPERTY AND EQUIPMENT

Property and equipment includes land, buildings and improvements, machinery and equipment, roads and other items.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 71

Carrying Value of Property and Equipment and Estimated Service Lives

DOLLAR AMOUNTS IN MILLIONS
	RANGE OF LIVES	DECEMBER 31, 2019			DECEMBER 31, 2018
Property and equipment, at cost:
Land	N/A	$	87		$	87
Buildings and improvements	15-40		999			942
Machinery and equipment	5-25		3,425			3,240
Roads	10-35		742			785
Other	3-10		193			179
Total cost			5,446			5,233
Accumulated depreciation and amortization			(3,477	)		(3,376	)
Property and equipment, net		$	1,969		$	1,857

SERVICE LIVES AND DEPRECIATION

In general, additions are classified into components, each with its own estimated useful life as determined at the time of purchase.

Depreciation and amortization expense for property and equipment was:

• $240 million in 2019,

• $197 million in 2018 and

• $206 million in 2017.

NOTE 8: RELATED PARTIES

This note provides details about our transactions with related parties. For the years presented, our material related parties have consisted of:

• variable interest entities and

• our Twin Creeks Venture.

VARIABLE INTEREST ENTITIES

From 2002 through 2004, we sold certain nonstrategic timberlands. As a result of these sales, buyer-sponsored and monetization variable interest entities, or special purpose entities (SPEs), were formed. We are the primary beneficiary and consolidate the assets and liabilities of the SPEs involved in these transactions.

The assets of the buyer-sponsored SPEs are financial investments which consist of bank guarantees. These bank guarantees are in turn backed by bank notes, which are the liabilities of the monetization SPEs. Interest earned from the financial investments within the buyer-sponsored SPEs is used to pay interest accrued on the corresponding monetization SPE’s note.

We have an equity interest in the monetization SPEs, but no ownership interest in the buyer-sponsored SPEs. The following disclosures refer to assets of buyer-sponsored SPEs and liabilities of monetization SPEs. However, because these SPEs are distinct legal entities:

• Assets of the SPEs are not available to satisfy our liabilities or obligations.

• Liabilities of the SPEs are not our liabilities or obligations.

During first quarter 2019, we received a $253 million payment from a buyer-sponsored SPE. As of December 31, 2019, we had an asset totaling $362 million related to one buyer-sponsored SPE remaining on our Consolidated Balance Sheet. This asset matured and the related payment was received in January 2020.

We paid $302 million and $209 million related to liabilities from our monetized SPEs in third quarter 2019 and fourth quarter 2018, respectively. These payments were made upon maturity and there are no further obligations remaining.

Our Consolidated Statement of Operations includes:

• Interest income on buyer-sponsored SPE investments of:

– $22 million in 2019,

–  $34 million in 2018 and

–  $34 million in 2017.

• Interest expense on monetization SPE notes of:

– $12 million in 2019,

– $29 million in 2018 and

–  $29 million in 2017.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 72

The weighted average interest rate on our buyer-sponsored SPEs was 5.5 percent during 2019 and 2018. The interest rate on the monetization SPE that matured in 2019 and the weighted average interest rate on our monetization SPEs during 2018 was 5.6 percent.

TWIN CREEKS VENTURE

Ownership Redemption, Agreement Termination and Sale Recognition

During October 2017, we redeemed our 21 percent ownership interest in the Twin Creeks Venture for $108 million in cash. We did not recognize a material gain or loss on the redemption of our ownership interest. The cash received was classified as a cash flow from investing activities on our Consolidated Statement of Cash Flows.

Effective December 31, 2017, we terminated the agreements under which we had managed the Twin Creeks timberlands. Following termination of these agreements, Weyerhaeuser has no further responsibilities or obligations related to the Twin Creeks Venture and our continuing involvement in the contributed timberlands ceased. In fourth quarter 2017, we recognized the sale of the original contribution of timberlands that occurred in April 2016.

Sale of Additional Timberlands to Twin Creeks

In conjunction with the redemption and termination discussed above, we also entered an agreement to sell 100,000 acres of Southern timberlands to Twin Creeks for $203 million. The sale, which included 80,000 acres of timberlands in Mississippi and 20,000 acres in Georgia, closed December 29, 2017. The sale resulted in a $99 million gain recognized during fourth quarter 2017.

NOTE 9: PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

This note provides details about defined benefit and defined contribution plans we sponsor for our employees. The "Pension and Other Postretirement Benefit Plans" section of Note 1: Summary of Significant Accounting Policies provides information about employee eligibility for pension plans and postretirement health care and life insurance benefits, as well as how we account for the plans and benefits.

DEFINED BENEFIT PLANS WE SPONSOR

OVERVIEW OF PLANS

The defined benefit pension plans we sponsor in the U.S. and Canada differ according to each country’s requirements. In the U.S., we have plans that qualify under the Internal Revenue Code (qualified plans), as well as plans for select employees that provide additional benefits not qualified under the Internal Revenue Code (nonqualified plans). In Canada, we have plans that are registered under the Income Tax Act and applicable provincial pension acts (registered plans), as well as nonregistered plans for select employees that provide additional benefits that may not be registered under the Income Tax Act or provincial pension acts (nonregistered plans). We also offer other postretirement benefit plans in the U.S. and Canada, including retiree medical and life insurance plans.

Actions to Reduce Pension Plan Obligations

As a part of our continued efforts to reduce pension plan obligations, we transferred approximately $1.5 billion of U.S. qualified pension plan assets and liabilities to an insurance company through the purchase of a group annuity contract in January 2019 (2019 Retiree Annuity Purchase). In connection with this transaction, we recorded a preliminary noncash pretax settlement charge of $455 million during first quarter 2019, accelerating the recognition of previously unrecognized losses in “Accumulated other comprehensive loss”, that would have been recognized in subsequent periods. In second quarter 2019, we finalized the prior year-end fair value of pension plan assets and obligations, which reduced the settlement charge by $6 million for a final settlement charge of $449 million.

This settlement triggered a remeasurement of plan assets and liabilities. We updated the discount rate used to measure our projected benefit obligation for the U.S. qualified pension plan as of January 31, 2019, as well as our discount rate used to calculate the related net periodic benefit cost for the remainder of 2019 to 4.30 percent from 4.40 percent. All other assumptions remained unchanged. The net effect of the remeasurement was a $24 million reduction in funded status, primarily driven by the decrease in discount rate. This change in funded status was reflected in our first quarter 2019 Consolidated Balance Sheet.

Additionally, we settled the assets and liabilities associated with three Canadian registered pension plans through the purchase of a group annuity contract in October 2019. As a result of the transaction, we recorded a noncash pretax settlement charge of $6 million.

During 2018, we offered select U.S. terminated vested plan participants the opportunity to elect an immediate lump sum distribution. Lump sum distributions were paid from plan assets totaling $664 million during fourth quarter 2018. We recorded a settlement charge of $200 million during fourth quarter 2018 related to this transaction. The settlement triggered a plan remeasurement, however due to the short period between the settlement and our normal year-end remeasurement, the effect on net periodic benefit cost was insignificant.

To maintain the U.S. qualified pension plan's funded status in connection with these transactions, we contributed $300 million to the plan during third quarter 2018. Refer to Note 21: Income Taxes for details on the tax effects of this transaction.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 73

FUNDED STATUS OF PLANS

The funded status of the plans we sponsor is determined by comparing the projected benefit obligation with the fair value of plan assets at the end of the year. The following table demonstrates how our plans' funded status is reflected on the Consolidated Balance Sheet.

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Funded status:
Fair value of plan assets(1)	$	3,719		$	4,930		$	19		$	18
Projected benefit obligations		(4,260	)		(5,263	)		(151	)		(166	)
Funded status		(541	)		(333	)		(132	)		(148	)
Presentation on our Consolidated Balance Sheet:
Noncurrent assets	$	47		$	74		$	—		$	—
Current liabilities		(19	)		(18	)		(8	)		(10	)
Noncurrent liabilities		(569	)		(389	)		(124	)		(138	)
Funded status	$	(541	)	$	(333	)	$	(132	)	$	(148	)

(1) Fair value of plan assets as of December 31, 2018 includes amounts associated with the $300 million voluntary contribution made during 2018 in anticipation of our 2018 term-vested lump sum and 2019 retiree annuity purchase transactions. Refer to the “Actions to Reduce Pension Plan Obligations” section for further details of this contribution and the related transactions.

Assets and liabilities on the Consolidated Balance Sheet are different from the cumulative income or expense that we have recorded associated with the plans. The differences are actuarial gains and losses and prior service costs and credits that are deferred and amortized into periodic benefit costs in future periods. Unamortized amounts are recorded in "Accumulated Other Comprehensive Loss", which is a component of total equity on our Consolidated Balance Sheet. The "Accumulated Other Comprehensive Loss" section of Note 15: Shareholders’ Interest details changes in these amounts by component.

Changes in Fair Value of Plan Assets

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Fair value of plan assets at beginning of year (estimated)	$	4,930		$	5,514		$	18		$	—
Adjustment for final fair value of plan assets		16			44			—			—
Actual return on plan assets		449			123			1			—
Foreign currency translation		38			(73	)		—			—
Employer contributions and benefit payments		30			345			15			36
Plan participants’ contributions		—			—			2			4
Plan transfers		1			1			—			—
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Fair value of plan assets at end of year (estimated)	$	3,719		$	4,930		$	19		$	18

We estimate the fair value of pension plan assets based on the information available during the year-end reporting process. In some cases, primarily with regard to private equity funds, the available information consists of net asset values as of an interim date, plus cash flows and market events between the interim date and the end of the year. We update the year-end estimated fair value of pension plan assets during the first half of the next year to incorporate year-end net asset values received after we have filed our Annual Report on Form 10-K.

During second quarter 2019, we recorded an increase in the beginning of year fair value of the pension assets of $16 million, or less than 1 percent. We also updated our census data that is used to estimate our beginning of year projected obligation for our pension plans, which resulted in a projected benefit obligation decrease of $6 million, or less than 1 percent. The net effect of these updates was a $22 million improvement in funded status as of December 31, 2018. This change in funded status was reflected in our second quarter 2019 Consolidated Balance Sheet.

See additional details about the changes in the fair value of plan assets in the "Pension Assets" section below.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 74

Changes in Projected Benefit Obligations of Our Pension and Other Postretirement Benefit Plans

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Projected benefit obligation beginning of year	$	5,263		$	6,795		$	166		$	200
Service cost		32			37			—			—
Interest cost		160			236			6			7
Plan participants’ contributions		—			—			2			4
Actuarial (gains) losses		510			(718	)		(8	)		(18	)
Foreign currency translation		39			(69	)		2			(5	)
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Plan amendments and other		—			5			—			—
Plan transfers		1			1			—			—
Projected benefit obligation at end of year	$	4,260		$	5,263		$	151		$	166

Generally, the largest changes in our “Actuarial (gains) losses” line within the table above are due to changes in discount rates year over year. See additional details about the actuarial assumptions and changes in the projected benefit obligation in the "Actuarial Assumptions" section below.

Projected Benefit Obligations Greater Than Plan Assets

As of December 31, 2019, pension plans with projected benefit obligations greater than plan assets had:

• $3.4 billion in projected benefit obligations and

• assets with a fair value of $2.8 billion.

As of December 31, 2018, pension plans with projected benefit obligations greater than plan assets had:

• $4.5 billion in projected benefit obligations and

• assets with a fair value of $4.1 billion.

Accumulated Benefit Obligations Greater Than Plan Assets

As of December 31, 2019, pension plans with accumulated benefit obligations greater than plan assets had:

• $3.3 billion in accumulated benefit obligations and

• assets with a fair value of $2.8 billion.

As of December 31, 2018, pension plans with accumulated benefit obligations greater than plan assets had:

• $4.4 billion in accumulated benefit obligations and

• assets with a fair value of $4.1 billion.

The accumulated benefit obligation for all of our defined benefit pension plans was:

• $4.2 billion at December 31, 2019 and

• $5.2 billion at December 31, 2018.

PENSION ASSETS

Our Investment Policies and Strategies

Our investment policies and strategies guide and direct how the funds are managed for the benefit plans we sponsor. These funds include our:

• U.S. Pension Trust — funds our U.S. qualified pension plans;

• Canadian Pension Trust — funds our Canadian registered pension plans and

• Retirement Compensation Arrangements — fund a portion of our Canadian nonregistered pension plans.

U.S. and Canadian Pension Trusts

At the end of 2018, we began to shift pension plan assets to an allocation that will more closely match the pension plan liability profile going forward. The former investment strategy included investments in hedge funds, private equity funds, derivative instruments and other investments. These asset classes are now generally in redemption and run-off mode however, given the long-term nature of these investments, they will continue to comprise a material portion of the plan assets for several years. We expect all investments in redemption to be redeemed at amounts materially consistent with their net asset values. As these investments are redeemed or liquidated, cash proceeds available for investment will be invested in accordance with our revised investment strategy.

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The revised investment strategy targets a percentage allocation to growth assets and a percentage allocation to liability hedging assets based on each plan’s funded status. We expect to increase the allocation to liability hedging assets over time as the funded status of the pension plan improves. As of December 31, 2019, we reached a 50 percent allocation to growth assets and a 50 percent allocation to liability hedging assets in the U.S. qualified plan. Growth assets include investments in global equities, hedge funds, which are generally in redemption, and private equity assets, which are generally in run-off mode. Liability hedging assets include corporate credit and government issued fixed income securities and treasury futures selected to align with the plan liabilities.

Cash and short-term investments include highly liquid money market and government securities and are primarily held to fund benefit payments, capital calls, margin requirements or to meet regulatory requirements. Cash at December 31, 2019, includes amounts that will be invested in liability hedging assets such as fixed income investments.

Fixed income investments include publicly traded corporate and government issued debt. These bonds have varying maturities, credit quality and sector exposure and are selected to align with the duration of our plan liabilities. Additionally, our fixed income portfolio includes repurchase agreements, which represent short-term borrowings to hedge against interest rate risk. We have an obligation to return the cash related to these borrowings in accordance with the agreements, which are collateralized by our government bonds. Due to the nature of these agreements, the outstanding balance of the borrowing approximates fair value.

Public equity investments consist of investments in several publicly traded companies as well as exchange traded funds.

Hedge fund and related investments are privately-offered managed pools primarily structured as limited liability entities. General members or partners of these limited liability entities serve as portfolio managers and are thus responsible for the fund’s underlying investment decisions. Underlying investments within these funds may include long and short public and private equities, corporate, mortgage and sovereign debt, options, swaps, forwards and other derivative positions. These funds have varying degrees of leverage, liquidity and redemption provisions.

Private equity and related investments are investments in private equity, mezzanine, distressed, co-investments and other structures. Private equity funds generally participate in buyouts and venture capital of limited liability entities through unlisted equity and debt instruments. These funds may also borrow at the underlying entity level. Mezzanine and distressed funds generally invest in the debt of public or private companies with additional participation through warrants or other equity options.

Derivative instruments have historically been comprised of swaps, futures, forwards or options. Consistent with our shift in asset strategy, our positions in derivative instruments have been significantly reduced. At December 31, 2019, only a small amount of futures remain in our portfolio.

Assets within our qualified and registered pension plans in our U.S. and Canadian pension trusts were invested as follows:

	DECEMBER 31, 2019			DECEMBER 31, 2018
Cash and short-term investments	3.2%			5.8%
Fixed income investments:
Corporate		33.9			21.5
Government		25.4			8.6
Repurchase agreements		(4.7	)		—
Public equity investments		0.1			—
Hedge funds and related investments		14.3			36.9
Private equity and related investments		27.7			21.9
Derivative instruments, net		0.3			5.6
Accrued liabilities		(0.2	)		(0.3	)
Total	100.0%			100.0%

Retirement Compensation Arrangements

Retirement compensation arrangements fund a portion of our Canadian nonregistered pension plans. As required by Canadian tax rules, approximately 50 percent of these assets are invested into a noninterest-bearing refundable tax account held by the Canada Revenue Agency. This portion of the portfolio does not earn returns. The remaining portion is invested in a portfolio of equities.

Managing Risk

Investments and contracts are subject to risks including market price, interest rate, credit, currency and liquidity risks. The following provides an overview of these risks and describes governance processes and actions we take to mitigate these risks on our pension plan asset portfolios.

Market price risk is the risk that market fluctuations will adversely affect the value of plan assets. The trusts mitigate market price risk by investing in a diversified portfolio. In addition, we and our investment advisers perform regular monitoring with ongoing qualitative assessments, quantitative assessments, and comprehensive investment and operational due diligence.

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Interest rate risk exists with respect to both assets and liabilities and is the risk that a change in interest rates will adversely affect the fair value of interest rate securities or liabilities, thereby affecting the overall funded status. With the change in investment strategy to more closely match the plan liabilities, interest rate risk will be reduced.

Credit risk is the risk that counterparties’ failure to discharge their obligations could affect cash flows. The trusts have exposure primarily through investments in fixed income securities. This risk is mitigated by investing in a diversified portfolio.

We are also exposed to credit risk indirectly through counterparty relationships initiated by underlying managers of investments in limited liability pools. This risk is mitigated through initial due diligence and ongoing monitoring processes.

Currency risk arises from holding plan assets denominated in a currency other than the currency in which its liabilities are settled. With the change in investment strategy, currency risk will be mitigated going forward by investing more of the Canadian plan assets in Canadian dollar fixed income investments.

Liquidity risk is the risk that the trust will not be able to settle liabilities such as payments to participants, counterparties, and service providers. Private equity and hedge fund investments generally have less liquidity than publicly traded investments. With the change in investment strategy and a larger percentage of the plan assets invested in more liquid instruments such as publicly traded fixed income investments, liquidity risk is greatly reduced.

Valuation of Our Plan Assets

Pension assets are stated at fair value or net asset value (NAV) as of the reporting date. Fair value is based on the amount that would be received to sell an asset or paid to settle a liability in an orderly transaction between market participants at the reporting date. We do not consider forced or distressed sale scenarios. Instead, we consider both observable and unobservable inputs that reflect assumptions applied by market participants when setting the exit price of an asset or liability in an orderly transaction within the principal market for that asset or liability.

We value the pension plan assets based upon the observability of exit pricing inputs and classify pension plan assets based upon the lowest level input that is significant to the fair value measurement of the pension plan assets in their entirety. The fair value hierarchy is:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Investments for which fair value is measured using the NAV per share as a practical expedient are not categorized within the fair value hierarchy.

Cash and short-term investments are valued at cost, which approximates market.

Fixed income and public equity investments are valued at exit prices quoted in active or non-active markets or based on observable inputs.

Hedge funds, private equities, and related fund units are valued based on the NAVs of the funds. These values represent the per-unit price at which new investors are permitted to invest and existing investors are permitted to exit. When NAVs as of the end of the year have not been received, we estimate fair value by adjusting the most recently reported NAVs for market events and cash flows between the interim date and the end of the year.

Derivative instruments are valued based upon valuation statements received from each derivative’s counterparty.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 77

The net pension plan assets, when categorized in accordance with this fair value hierarchy, are as follows. Investments valued using NAV as a practical expedient are presented to reconcile with total plan assets.

DOLLAR AMOUNTS IN MILLIONS
2019	LEVEL 1		LEVEL 2			LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	120	$	—		$	—	$	—	$	120
Fixed income investments:
Corporate		—		1,260			—		—		1,260
Government		—		941			—		—		941
Repurchase agreements		—		(176	)		—		—		(176	)
Public equity investments		4		—			—		—		4
Hedge fund and related investments		—		—			13		518		531
Private equity and related investments		—		—			86		942		1,028
Derivative instruments		—		10			—		—		10
Total pension trust investments		124		2,035			99		1,460		3,718
Accrued liabilities, net											(9	)
Pension trust net assets											3,709
Canadian nonregistered plan assets:
Cash and short-term investments		5		—			—		—		5
Public equity investments		5		—			—		—		5
Total Canadian nonregistered plan assets		10		—			—		—		10
Total plan assets										$	3,719

DOLLAR AMOUNTS IN MILLIONS
2018	LEVEL 1		LEVEL 2		LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	275	$	12	$	—	$	—	$	287
Fixed income investments:
Corporate		—		1,054		—		—		1,054
Government		—		426		—		—		426
Hedge fund and related investments		—		—		3		1,811		1,814
Private equity and related investments		—		—		65		1,014		1,079
Derivative instruments		—		15		262		—		277
Total pension trust investments		275		1,507		330		2,825		4,937
Accrued liabilities, net										(17	)
Pension trust net assets										4,920
Canadian nonregistered plan assets:
Cash and short-term investments		5		—		—		—		5
Public equity investments		5		—		—		—		5
Total Canadian nonregistered plan assets		10		—		—		—		10
Total plan assets									$	4,930

Assets that do not have readily available quoted prices in an active market require more judgment to value and have increased valuation risk. As of December 31, 2019, $99 million, or 2.7 percent, of our pension plan assets were classified as Level 3 assets.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 78

A reconciliation of the beginning and ending balances of the pension plan assets measured at fair value using significant unobservable inputs (Level 3) is presented below:

DOLLAR AMOUNTS IN MILLIONS
	INVESTMENTS
	Hedge funds and related investments			Private equity and related investments			Derivative instruments, net			Total
Balance as of December 31, 2017	$	10		$	102		$	445		$	557
Net realized gains (losses)		—			—			238			238
Net change in unrealized gains (losses)		1			(5	)		(184	)		(188	)
Purchases		—			5			—			5
Sales		—			(2	)		—			(2	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		—			18			—			18
Transfers out of Level 3		(8	)		(53	)		—			(61	)
Balance as of December 31, 2018		3			65			262			330
Net realized gains (losses)		1			(1	)		237			237
Net change in unrealized gains (losses)		(1	)		—			(262	)		(263	)
Purchases		—			—			—			—
Sales		(3	)		(3	)		—			(6	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		13			28			—			41
Transfers out of Level 3		—			(3	)		—			(3	)
Balance as of December 31, 2019	$	13		$	86		$	—		$	99

The availability of observable market data is monitored to assess the appropriate classification of financial instruments within the fair value hierarchy. Changes in economic conditions or model-based valuation techniques may require the transfer of financial instruments from one fair value level to another. In such instances, the transfer is reported at the beginning of the reporting period. We evaluate the significance of transfers between levels based upon the nature of the financial instrument and size of the transfer relative to total net assets available for benefits.

The table below shows the fair value and aggregate notional amount of the derivative instruments held by our pension trusts at the end of the last two years.

DOLLAR AMOUNTS IN MILLIONS
	FAIR VALUE				NOTIONAL
	DECEMBER 31, 2019		DECEMBER 31, 2018		DECEMBER 31, 2019		DECEMBER 31, 2018
Foreign currency derivatives, net	$	—	$	—	$	—	$	13
Futures contracts, net		10		15		813		1,073
Total return swaps, net		—		262		—		558
Total	$	10	$	277	$	813	$	1,644

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 79

ACTUARIAL ASSUMPTIONS

We use actuarial assumptions to estimate our benefit obligations and our net periodic benefit costs. The following tables show the rates used to estimate our benefit obligations and periodic net benefit costs.

Rates We Use in Estimating Our Benefit Obligations

	PENSION
	DECEMBER 31, 2019	DECEMBER 31, 2018
Discount rates:
United States	3.40%	4.40%
Canada	3.10%	3.70%
Lump sum distributions(1)(2)	PPA Table	PPA Table
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%
Lump sum or installment distributions election(2)	60.00%	60.00%

(1) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(2) U.S. qualified salaried and nonqualified plans only.

The discount rates used for our U.S. other postretirement benefit plans were 3.00 percent and 4.20 percent for the years ended December 31, 2019, and December 31, 2018, respectively. Additionally, the discount rates used for our Canadian other postretirement benefit plans were 3.00 percent and 3.70 percent for the years ended December 31, 2019, and December 31, 2018, respectively.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 80

Estimating Our Net Periodic Benefit Costs

	PENSION
	2019	2018	2017
Discount rates:
United States(1)	4.30%	3.70%	4.30%
Canada	3.70%	3.50%	3.70%
Lump sum distributions(2)(3)	PPA Table	PPA Table	PPA Table
Expected return on plan assets:
Qualified/registered plans	7.00%	8.00%	8.00%
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%	3.50%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%	3.25%
Lump sum distributions election(3)	60.00%	60.00%	60.00%

(1) In January 2019, we transferred approximately $1.5 billion of U.S. qualified pension plan assets and liabilities to an insurance company through the purchase of a group annuity contract. The settlement of this liability triggered a plan remeasurement, which caused a change in our 2019 pension plan discount rate. The initial discount rate used to estimate our net periodic benefit costs from January 1, 2019 through January 31, 2019 was 4.40 percent. As a result of the remeasurement, the discount rate was updated to 4.30 percent for the remainder of 2019. Refer to the “Actions to Reduce Pension Plan Obligations” section above for more details of this transaction.

(2) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(3) U.S. qualified salaried and nonqualified plans only.

The discount rates used for our U.S. other postretirement benefit plans were 4.20 percent, 3.50 percent and 3.70 percent for the years ended December 31, 2019, December 31, 2018, and December 31, 2017, respectively. Additionally, the discount rates used for our Canadian other postretirement benefit plans were 3.70 percent, 3.40 percent and 3.60 percent for the years ended December 31, 2019, December 31, 2018, and December 31, 2017, respectively.

Expected Return on Plan Assets

Determining our expected return requires a high degree of judgment. We consider actual pension fund asset performance over multiple years, and current and expected valuation levels in the global equity and credit markets. Historical fund returns are used as a base and we place added weight on more recent pension plan asset performance.

Qualified and Registered Pension Plans

As discussed in the “Our Investment Policies and Strategies” section above, at the end of 2018, we began implementing a change in our asset strategy to an allocation that will more closely match the plan’s liability profile moving forward, resulting in a larger allocation of our assets into fixed income securities. With this change, we determined that it was appropriate to reduce our assumption of long-term rate of return on plan assets to 7.0 percent for the year ended December 31, 2019. As this strategy has been in place throughout 2019 and a larger percentage of our portfolio has been allocated to fixed income securities, we have determined that an additional reduction in our assumption of long-term rate of return on plan assets to 6.5 percent is appropriate for the year ended December 31, 2020.

Health Care Costs

Rising costs of health care affect the costs of our other postretirement plans. We use assumptions about health care cost trend rates to estimate the cost of benefits we provide. Our trend rate assumptions are based on historical market experience, current environment and future expectations. During 2019, the assumed weighted health care cost trend rate used to calculate the net periodic benefit cost was:

• 7.8 percent for U.S. Pre-Medicare

• 4.5 percent for U.S. Health Reimbursement Account (HRA)

• 4.9 percent for Canada

This table shows the assumptions we use in estimating the annual cost increase for health care benefits we provide.

Assumptions We Use in Estimating Health Care Benefit Obligations

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 81

	2019				2018
	U.S.		CANADA		U.S.		CANADA
Weighted health care cost trend rate assumed for next year	7.30% for Pre- Medicare and 4.50% for HRA		5.40%		7.80% for Pre- Medicare and 4.50% for HRA		4.90%
Rate that the cost trend rate gradually declines to	4.50%		4.00%		4.50%		4.00%
Year the cost trend rate is reached		2037		2039		2037		2039

ACTIVITY OF PLANS

Net Periodic Benefit Cost (Credit)

DOLLAR AMOUNTS IN MILLIONS
	PENSION									OTHER POSTRETIREMENT BENEFITS
	2019			2018			2017			2019			2018			2017
Net periodic benefit cost (credit):
Service cost	$	32		$	37		$	35		$	—		$	—		$	—
Interest cost		160			236			264			6			7			8
Expected return on plan assets		(223	)		(399	)		(409	)		—			—			—
Amortization of actuarial loss		112			225			195			7			8			8
Amortization of prior service cost (credit)		4			3			4			(5	)		(8	)		(8	)
Settlement charges		455			200			—			—			—			—
Net periodic benefit cost (credit)	$	540		$	302		$	89		$	8		$	7		$	8

Expected Pension Plan and Benefit Funding

Established funding standards govern the funding requirements for our qualified and registered pension plans. We fund the benefit payments of our nonqualified and nonregistered plans as benefit payments come due. We voluntarily contributed $300 million to our U.S. qualified pension plans during 2018, although there was no minimum required contribution for the year.

During 2019, we contributed $10 million for our Canadian registered plans, we made contributions and benefit payments of $2 million for our Canadian nonregistered pension plans and made contributions and benefit payments of $18 million for our U.S. nonqualified pension plans.

During 2020, based on estimated year-end asset values and projections of plan liabilities, we expect to:

• be required to contribute approximately $2 million for our Canadian registered plan,

• make contributions and benefit payments of approximately $17 million for our U.S. nonqualified pension plans and

• make contributions and benefit payments of approximately $3 million for the Canadian non-registered plans.

We do not anticipate contributions being required for our U.S. qualified pension plan for 2020.

Expected Postretirement Benefit Funding

During 2019, we contributed $11 million and $4 million to our U.S. and Canadian postretirement benefit plans, respectively. In 2020, we expect to make contributions of $9 million for our U.S. and Canadian other postretirement benefit plans, including $5 million expected to be required to cover benefit payments under collectively bargained contractual obligations.

Estimated Projected Benefit Payments for the Next 10 Years

DOLLAR AMOUNTS IN MILLIONS
	PENSION		OTHER POSTRETIREMENT BENEFITS
2020	$	237	$	14
2021	$	235	$	13
2022	$	236	$	13
2023	$	238	$	12
2024	$	237	$	11
2025-2029	$	1,176	$	47

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 82

UNION-ADMINISTERED MULTIEMPLOYER BENEFIT PLANS

We contribute to multiemployer defined benefit plans under the terms of collective-bargaining agreements. These plans cover a small number of our employees and on an annual basis our contributions are immaterial.

These plans have different risks than single-employer plans. Our contributions may be used to fund benefits for employees of other participating employers. If we choose to stop participating, we may be required to pay a withdrawal liability based on the underfunded status of the plan. If another participating employer stops contributing to the plan, we may become responsible for remaining plan unfunded obligations.

DEFINED CONTRIBUTION PLANS

We sponsor various defined contribution plans for our U.S. and Canadian salaried and hourly employees. Our contributions to these plans were:

• $25 million in 2019,

• $22 million in 2018 and

• $21 million in 2017.

NOTE 10: ACCRUED LIABILITIES

Accrued liabilities were comprised of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Compensation and employee benefit costs	$	188	$	192
Current portion of lease liabilities (Note 17)		33		—
Customer rebates, volume discounts and deferred income		105		99
Interest		98		109
Taxes payable		24		30
Other		82		60
Total	$	530	$	490

NOTE 11: LINE OF CREDIT

OUR LINE OF CREDIT

In March 2017, we entered into a $1.5 billion five-year senior unsecured revolving credit facility that expires in March 2022. Borrowings are at LIBOR plus a spread or at other interest rates mutually agreed upon between the borrower and the lending banks. As of December 31, 2019, we had $230 million of outstanding borrowings on the revolving credit facility and had an additional $1270 million available. As of December 31, 2018, we had $425 million of outstanding borrowings on the revolving credit facility. We were in compliance with the revolving credit facility covenants as of December 31, 2019 and December 31, 2018.

In January 2020, we amended and restated our $1.5 billion five-year senior unsecured revolving credit facility, which now expires in January 2025. Borrowings are at LIBOR plus a spread or at other interest rates mutually agreed upon between the borrower and the lending banks.

LETTERS OF CREDIT AND SURETY BONDS

The amounts of letters of credit and surety bonds we have entered into as of the end of the last two years are included in the following table:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Letters of credit	$	35	$	38
Surety bonds	$	127	$	123

Our compensating balance requirements for our letters of credit were $3 million and $6 million as of December 31, 2019 and December 31, 2018, respectively.

NOTE 12: LONG-TERM DEBT

This note provides details about:

• debt issued and extinguished and

• long-term debt and related maturities.

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Our long-term debt includes notes, debentures and other borrowings.

DEBT ISSUED AND EXTINGUISHED

In February 2019, we issued $750 million of 4.00 percent notes due in November 2029. The net proceeds after deducting the discount, underwriting fees and issuance costs were $739 million. In March 2019, a portion of the net proceeds was used to redeem our $500 million 7.38 percent note due October 2019. A pretax charge of $12 million was included in "Interest expense, net of capitalized interest" on our Consolidated Statement of Operations during first quarter 2019 for make-whole premiums, unamortized debt issuance costs and unamortized debt discounts in connection with the early extinguishment of the $500 million note.

During February 2018, we paid our $62 million 7.00 debenture at maturity.

LONG-TERM DEBT AND RELATED MATURITIES

The following table lists our long-term debt by types and interest rates at the end of our last two years and includes the current portion.

Long-Term Debt by Types and Interest Rates (Includes Current Portion)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
7.375% notes due 2019	$	—		$	500
9.00% debentures due 2021		150			150
4.70% debentures due 2021		569			569
7.125% debentures due 2023		191			191
5.207% debentures due 2023		860			860
4.625% notes due 2023		500			500
3.25% debentures due 2023		325			325
8.50% debentures due 2025		300			300
7.95% debentures due 2025		136			136
7.70% debentures due 2026		150			150
7.35% debentures due 2026		62			62
7.85% debentures due 2026		100			100
Variable-rate term loan credit facility matures 2026		225			225
6.95% debentures due 2027		300			300
4.00% notes due 2029		750			—
7.375% debentures due 2032		1,250			1,250
6.875% debentures due 2033		275			275
Other		1			1
Total principal long-term debt		6,144			5,894
Add: fair value adjustments (related to Plum Creek merger)		27			39
Less: unamortized discounts		(14	)		(5	)
Less: unamortized debt expense		(10	)		(9	)
Total	$	6,147		$	5,919
Portion due within one year	$	—		$	500

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 84

Amounts of Long-Term Debt Due Annually for the Next Five Years and Thereafter

DOLLAR AMOUNTS IN MILLIONS (1)
2020	$	—
2021	$	719
2022	$	—
2023	$	1,876
2024	$	—
Thereafter	$	3,549

(1) Excludes $3 million of unamortized discounts, capitalized debt expense and fair value adjustments (related to Plum Creek merger).

NOTE 13: FAIR VALUE OF FINANCIAL INSTRUMENTS

FAIR VALUE OF DEBT

The estimated fair values and carrying values of our long-term debt and line of credit consisted of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019				DECEMBER 31, 2018
	CARRYING VALUE		FAIR VALUE (LEVEL 2)		CARRYING VALUE		FAIR VALUE (LEVEL 2)
Long-term debt (including current maturities) and line of credit:
Fixed rate	$	5,922	$	6,986	$	5,694	$	6,345
Variable rate		455		455		650		650
Total Debt	$	6,377	$	7,441	$	6,344	$	6,995

To estimate the fair value of long-term debt we used the market approach, which is based on quoted market prices we received for the same types and issues of our debt.

We believe that our variable-rate long-term debt and line of credit instruments have net carrying values that approximate their fair values with only insignificant differences.

The inputs to these valuations are based on market data obtained from independent sources or information derived principally from observable market data. The difference between the fair value and the carrying value represents the theoretical net premium or discount we would pay or receive to retire all debt at the measurement date.

FAIR VALUE OF OTHER FINANCIAL INSTRUMENTS

We believe that our other financial instruments, including cash and cash equivalents, short-term investments, mutual fund investments held in grantor trusts, receivables and payables, have net carrying values that approximate their fair values with only insignificant differences. This is primarily due to the short-term nature of these instruments and the allowance for doubtful accounts.

NOTE 14: LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

This note provides details about our:

• legal proceedings,

• environmental matters and

• commitments and other contingencies.

LEGAL PROCEEDINGS

We are party to various legal proceedings arising in the ordinary course of business. We are not currently a party to any legal proceeding that management believes could have a material adverse effect on our Consolidated Balance Sheet, Consolidated Statement of Operations or Consolidated Statement of Cash Flows.

ENVIRONMENTAL MATTERS

Site Remediation

Under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) – commonly known as Superfund – and similar state laws, we are a party to various proceedings related to the cleanup of hazardous waste sites and have been notified that we may be a potentially responsible party related to the cleanup of other hazardous waste sites for which proceedings have not yet been initiated.

We have received notification from the Environmental Protection Agency (the EPA) and have acknowledged that we are a potentially responsible party in a portion of the Kalamazoo River Superfund site in southwest Michigan. Our involvement in the remediation site is based on our former

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 85

ownership of the Plainwell, Michigan mill located within the remediation site. Several other companies also have been deemed potentially responsible parties as past or present owners or operators of facilities within the site, or as arrangers under CERCLA.

We cooperated with other parties to jointly implement an administrative order issued by the EPA on April 14, 2016, with respect to a portion of the site comprising a stretch of the river approximately 1.7 miles long referred to as the Otsego Township Dam Area. During third quarter 2018, implementation of this administrative order was completed.

In 2010, the company, along with others, was named as a defendant by Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia-Pacific LLC in an action seeking contribution under CERCLA for remediation costs relating to a certain area within the site. On March 29, 2018, the U.S. District Court issued an opinion and order assigning the company responsibility for 5 percent of approximately $50 million in past costs incurred by the plaintiffs. The remaining 95 percent of this pool of past costs incurred was allocated to the plaintiffs and other defendants.

The opinion and order, which is currently on appeal before the U.S. Court of Appeals for the Sixth Circuit, does not establish allocation for future remediation costs, and accordingly, we may incur additional costs in connection with future remediation tasks for other areas of the site. In connection with the opinion and order, we updated our best estimate of the liability associated with the site and recorded a pretax charge of $28 million in first quarter 2018 within "Other operating costs (income), net" on our Consolidated Statement of Operations.

Our Established Reserves. We have established reserves for estimated remediation costs on the active Superfund sites and other sites for which we are a potentially responsible party. These reserves are recorded in "Accrued liabilities" and "Other liabilities" on our Consolidated Balance Sheet.

Changes in the Reserve for Environmental Remediation

DOLLAR AMOUNTS IN MILLIONS
Reserve balance as of December 31, 2018	$	62
Reserve charges and adjustments, net		4
Payments		(5	)
Reserve balance as of December 31, 2019	$	61

We change our reserve to reflect:

• new information on any site concerning implementation of remediation alternatives,

• updates on prior cost estimates and new sites and

• costs incurred to remediate sites.

Estimates. We believe it is reasonably possible, based on currently available information and analysis, that remediation costs for all identified sites may exceed our existing reserves by up to $124 million.

This estimate, in which those additional costs may be incurred over several years, is the upper end of the range of reasonably possible additional costs. The estimate:

• is much less certain than the estimates on which our accruals currently are based and

• uses assumptions that are less favorable to us among the range of reasonably possible outcomes.

In estimating our current accruals and the possible range of additional future costs, we:

• assumed we will not bear the entire cost of remediation of every site,

• took into account the ability of other potentially responsible parties to participate and

• considered each party’s financial condition and probable contribution on a per-site basis.

We have not recorded any amounts for potential recoveries from insurance carriers.

Asset Retirement Obligations

We have obligations associated with the retirement of tangible long-lived assets consisting primarily of reforestation obligations related to forest management licenses in Canada and obligations to close and cap landfills. Some of our sites have asbestos containing materials. We have met our current legal obligation to identify and manage these materials. In situations where we cannot reasonably determine when asbestos containing materials might be removed from the sites, we have not recorded an accrual because the fair value of the obligation cannot be reasonably estimated. As of December 31, 2019, and December 31, 2018, we had an asset retirement obligation reserve of $30 million and $29 million, respectively. These obligations are recorded in "Accrued liabilities" and "Other liabilities" on our Consolidated Balance Sheet.

COMMITMENTS AND OTHER CONTINGENCIES

Product Remediation Contingency

Refer to Note 19: Charges (Recoveries) for Product Remediation, Net for further information.

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NOTE 15: SHAREHOLDERS’ INTEREST

This note provides details about:

• preferred and preference shares,

• common shares,

• share repurchase programs and

• accumulated other comprehensive loss.

PREFERRED AND PREFERENCE SHARES

We had no preferred shares or preference shares outstanding as of December 31, 2019, or December 31, 2018. We have authorization to issue 7 million preferred shares with a par value of $1.00 per share and 40 million preference shares with a par value of $1.00 per share.

COMMON SHARES

The number of common shares we have outstanding changes when:

• new shares are issued,

• stock options are exercised,

• restricted stock units or performance share units vest,

• stock equivalent units are paid out,

• shares are tendered,

• shares are repurchased or

• shares are canceled.

Reconciliation of Our Common Share Activity

SHARES IN THOUSANDS
	2019			2018			2017
Outstanding at beginning of year		746,391			755,223			748,528
Stock options exercised		660			2,026			5,970
Issued for vested restricted stock units		480			466			605
Issued for vested performance share units		118			86			120
Repurchased		(2,349	)		(11,410	)		—
Outstanding at end of year		745,300			746,391			755,223

SHARE REPURCHASE PROGRAMS

On February 7, 2019, our board of directors terminated the 2016 Repurchase Program and approved a new share repurchase program (the 2019 Repurchase Program) under which we are authorized to repurchase up to $500 million of outstanding shares.

During 2019, we repurchased over 2.3 million shares of common stock for approximately $60 million (including transaction fees) under the 2019 Repurchase Program. As of December 31, 2019, we have remaining authorization of $440 million for future stock repurchases.

During 2018, we repurchased over 11.4 million shares of common stock for approximately $366 million (including transaction fees) under the 2016 Repurchase Program. As of December 31, 2018, we had remaining authorization of $135 million for future stock repurchases.

We did not repurchase any shares of common stock during 2017.

All common stock repurchases under the 2016 and 2019 Repurchase Programs were made in open-market transactions.

We record share repurchases upon trade date as opposed to the settlement date when cash is disbursed. We record a liability to account for repurchases that have not been cash settled. There were no unsettled repurchases as of December 31, 2019, or December 31, 2018.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 87

ACCUMULATED OTHER COMPREHENSIVE LOSS

Changes in amounts included in our accumulated other comprehensive loss by component are:

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Pension(1)
Balance at beginning of period	$	(1,343	)	$	(1,810	)	$	(1,660	)
Other comprehensive income (loss) before reclassifications		(216	)		388			(282	)
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)(3)		431			325			132
Total other comprehensive income (loss)		215			713			(150	)
Reclassification of certain effects due to tax law changes(4)		—			(246	)		—
Balance at end of period		(1,128	)		(1,343	)		(1,810	)
Other Postretirement Benefits(1)
Balance at beginning of period		(19	)		(25	)		(38	)
Other comprehensive income (loss) before reclassifications		6			13			14
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)		1			—			(1	)
Total other comprehensive income (loss)		7			13			13
Reclassification of certain tax effects due to tax law changes(4)		—			(7	)		—
Balance at end of period		(12	)		(19	)		(25	)
Translation Adjustments and Other
Balance at beginning of period		210			273			239
Translation adjustments		26			(54	)		34
Total other comprehensive income (loss)		26			(54	)		34
Reclassification of accumulated unrealized gains on available-for-sale securities(5)		—			(9	)		—
Balance at end of period		236			210			273
Accumulated other comprehensive loss, end of period	$	(904	)	$	(1,152	)	$	(1,562	)

(1) Amounts are presented net of tax.

(2) Amounts of actuarial loss and prior service (cost) credit are components of net periodic benefit cost (credit). See Note 9: Pension and Other Postretirement Benefit Plans.

(3) Amounts include settlement charges totaling $455 million and $200 million related to our pension plans for the years ended December 31, 2019 and December 31, 2018, respectively. See Note 9: Pension and Other Postretirement Benefit Plans for further detail.

(4) During 2018, we reclassified certain tax effects from tax law changes of $253 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2018-02.

(5) During 2018, we reclassified accumulated unrealized gains on available-for-sale securities of $9 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2016-01.

NOTE 16: SHARE-BASED COMPENSATION

This note provides details about:

• our Long-Term Incentive Compensation Plan (2013 Plan),

• how we account for share-based awards,

• tax benefits of share-based awards,

• types of share-based compensation,

• unrecognized share-based compensation and

• deferred compensation stock equivalent units.

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Share-based compensation expense was:

• $30 million in 2019,

• $42 million in 2018 and

• $40 million in 2017.

OUR LONG-TERM INCENTIVE COMPENSATION PLAN

Our long-term incentive plan provides for share-based awards that include:

• restricted stock,

• restricted stock units (RSUs),

• performance shares,

• performance share units (PSUs),

• stock options and

• stock appreciation rights (SARs).

We may issue future grants of up to 20 million shares under the 2013 Plan. We also have the right to reissue forfeited and expired grants.

For restricted stock, RSUs, performance shares, PSUs or other equity grants:

• An individual participant may receive a grant of up to 1 million shares annually.

• No participant may be granted awards that exceed $10 million earned in a 12-month period.

For stock options and SARs:

• An individual participant may receive a grant of up to 2 million shares in any one calendar year.

• The exercise price is required to be the market price on the date of the grant.

We have not granted any stock options or SARs since 2016 and the remaining liability related to SARs is immaterial at December 31, 2019.

The Compensation Committee of our board of directors annually establishes an overall pool of stock awards available for grants based on performance.

For stock-settled awards we:

• issue new stock into the marketplace and

• generally do not repurchase shares in connection with issuing new awards.

Our common shares would increase by approximately 28 million shares if all share-based awards were exercised or vested. These include:

• all options, RSUs and PSUs outstanding at December 31, 2019, and

• all remaining options, RSUs and PSUs that could be granted under the 2013 Plan.

HOW WE ACCOUNT FOR SHARE-BASED AWARDS

When accounting for share-based awards we:

• use a fair-value-based measurement and

• recognize the cost of share-based awards on our consolidated financial statements.

We recognize the cost of share-based awards on our Consolidated Statement of Operations over the required service period — generally the period from the date of the grant to the date when it is fully vested. Special situations include:

• Awards that vest upon retirement — the required service period ends on the date an employee is eligible for retirement, including early retirement.

• Awards that continue to vest following job elimination or the sale of a business — the required service period ends on the date the employment from the company is terminated.

In these special situations, compensation expense from share-based awards is recognized over a period that is shorter than the stated vesting period.

TAX BENEFITS OF SHARE-BASED AWARDS

Our total income tax benefit from share-based awards recognized on our Consolidated Statement of Operations for the last three years was:

• $4 million in 2019,

• $5 million in 2018 and

• $6 million in 2017.

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Tax benefits from share-based awards are accrued as stock compensation expense and realized when:

• restricted shares and RSUs vest,

• performance shares and PSUs vest,

• stock options are exercised and

• SARs are exercised.

TYPES OF SHARE-BASED COMPENSATION

Our share-based compensation is in the form of:

• RSUs,

• PSUs,

• stock options and

• SARs.

RESTRICTED STOCK UNITS

Through the 2013 Plan, we award RSUs — grants that entitle the holder to shares of our stock as the award vests.

The Details

Our RSUs granted in 2019, 2018 and 2017 generally:

• vest ratably over four years;

• immediately vest in the event of death while employed or disability;

• continue to vest upon retirement at an age of at least 62, but a portion of the grant is forfeited if retirement occurs before the one-year anniversary of the grant;

• continue vesting for one year in the event of involuntary termination when retirement has not been met and

• will be forfeited upon termination of employment in all other situations including early retirement prior to age 62.

Our Accounting

The fair value of our RSUs is the market price of our stock on the grant date of the awards.

We generally record share-based compensation expense for RSUs over the four-year vesting period. Generally, for RSUs that continue to vest following the termination of employment, we record the share-based compensation expense over a required service period that is less than the stated vesting period.

Activity

The following table shows our RSU activity for 2019:

	RESTRICTED STOCK UNITS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,593		$	31.41
Granted		865		$	25.83
Vested		(582	)	$	30.34
Forfeited		(87	)	$	29.40
Nonvested at December 31, 2019(1)		1,789		$	29.15

(1) As of December 31, 2019, there were approximately 526 thousand RSUs that had met the requisite service period and will be released as identified in the grant terms.

The weighted average grant-date fair value for RSUs was:

• $25.83 in 2019,

• $34.19 in 2018 and

• $32.83 in 2017.

The total grant-date fair value of RSUs vested was:

• $18 million in 2019,

• $16 million in 2018 and

• $18 million in 2017.

Nonvested RSUs accrue dividends that are paid out when RSUs vest. Any RSUs forfeited will not receive dividends.

As RSUs vest, a portion of the shares awarded is withheld to cover employee taxes. As a result, the number of stock units vested and the number of common shares issued will differ.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 90

PERFORMANCE SHARE UNITS

Through the 2013 Plan, we award PSUs — grants that entitle the holder to shares of our stock as the award vests.

The Details

The final number of shares awarded will range from 0 percent to 150 percent of each grant’s target, depending upon actual company performance.

For PSUs granted in 2019, 2018 and 2017, the ultimate number of shares earned is based on two measures:

• our relative total shareholder return (TSR) ranking measured against the S&P 500 over a three-year period and

• our relative TSR ranking measured against an industry peer group of companies over a three-year period.

The vesting provisions for PSUs granted in 2019, 2018 and 2017 were as follows:

• vest 100 percent on the third anniversary of the grant date as long as the individual remains employed by the company;

• fully vest in the event the participant dies or becomes disabled while employed;

• continue to vest upon retirement at an age of at least 62, but a portion of the grant is forfeited if retirement occurs before the one-year anniversary of the grant;

• continue vesting for one year in the event of involuntary termination when the retirement criteria has not been met and the employee has met the second anniversary of the grant date and

• will be forfeited upon termination of employment in all other situations including early retirement prior to age 62.

Our Accounting

Since the awards contain a market condition, the effect of the market condition is reflected in the grant-date fair value which is estimated using a Monte Carlo simulation model. This model estimates the TSR ranking of the company over the performance period. Compensation expense is based on the estimated probable number of earned awards and recognized over the vesting period on an accelerated basis. Generally, compensation expense would be reversed if the performance condition is not met unless the requisite service period has been achieved.

Weighted Average Assumptions Used in Estimating the Value of PSUs

	2019 GRANTS		2018 GRANTS		2017 GRANTS
Performance period	1/1/2019-12/31/2021		1/1/2018-12/31/2020		1/1/2017-12/31/2019
Expected dividends	5.25%		3.81%		3.74%
Risk-free rate	2.43% - 2.55%		1.75% - 2.34%		0.68% - 1.55%
Volatility	22.50% - 27.40%		17.30% - 21.52%		22.71% - 24.07%
Weighted average grant-date fair value	$	29.66	$	35.49	$	37.93

Activity

The following table shows our PSU activity for 2019:

	GRANTS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,042		$	31.52
Granted at target		419			29.66
Vested		(153	)		22.80
Forfeited		(26	)		34.05
Performance adjustment		(233	)		22.80
Nonvested at December 31, 2019(1)		1,049		$	33.93

(1) As of December 31, 2019, there were approximately 519 thousand PSUs that had met the requisite service period and will be released as identified in the grant terms.

The total grant-date fair value of PSUs vested was:

• $3 million in 2019,

• $4 million in 2018 and

• $4 million in 2017.

As PSUs vest, a portion of the shares awarded is withheld to cover participant taxes. As a result, the number of stock units vested and the number of common shares issued will differ.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 91

STOCK OPTIONS

Stock options entitle award recipients to purchase shares of our common stock at a fixed exercise price. We have not granted stock option awards since 2016. When granted in prior years, stock options had an exercise price equal to the market price of our stock on the date of the grant.

The Details

Our stock options generally:

• vest over four years of continuous service,

• must be exercised within 10 years of the grant date and

• use a Black-Scholes option valuation model to estimate the fair value of every stock option award on its grant date.

Activity

The following table shows our stock option activity for 2019:

	OPTIONS (IN THOUSANDS)			WEIGHTED AVERAGE EXERCISE PRICE		WEIGHTED AVERAGE REMAINING CONTRACTUAL TERM (IN YEARS)		AGGREGATE INTRINSIC VALUE (IN MILLIONS)
Outstanding at December 31, 2018		6,366		$	26.75
Exercised		(661	)	$	19.16
Forfeited or expired		(430	)	$	31.63
Outstanding at December 31, 2019(1)		5,275		$	27.30		4.61	$	21
Exercisable at December 31, 2019		4,678		$	27.84		4.42	$	17

(1) As of December 31, 2019, there were approximately 324 thousand stock options that had met the requisite service period and will be released as identified in the grant terms.

The total intrinsic value of stock options exercised was:

• $5 million in 2019,

• $22 million in 2018 and

• $68 million in 2017.

UNRECOGNIZED SHARE-BASED COMPENSATION

As of December 31, 2019, our unrecognized share-based compensation cost for all types of share-based awards included $36 million related to non-vested equity-classified share-based compensation arrangements. These are expected to be recognized over a weighted average period of approximately 1.2 years.

DEFERRED COMPENSATION STOCK EQUIVALENT UNITS

Certain employees and our board of directors may defer compensation into stock equivalent units.

The Details

Eligible employees:

• may choose to defer all or part of their bonus into stock equivalent units;

• may choose to defer part of their salary, except for executive officers and

• receive a 15 percent premium if the deferral is for at least five years.

Our directors:

• receive a portion of their annual retainer fee in the form of RSUs, which vest over one year and may be deferred into stock equivalent units;

• may choose to defer some or all of the remainder of their annual retainer fee into stock equivalent units and

• do not receive a premium for their deferrals.

Employees and directors also choose when the deferrals will be paid out, although no deferrals may be paid until after the separation from service of the employee or director.

Our Accounting

We settle all deferred compensation accounts in cash for our employees. Our directors receive shares of common stock as payment for stock equivalent units. In addition, we credit all stock equivalent accounts with dividend equivalents. The number of common shares to be issued in the future to directors is 674 thousand.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 92

Stock equivalent units are:

• liability-classified awards and

• remeasured to fair value at every reporting date.

The fair value of a stock equivalent unit is equal to the market price of our stock.

Activity

The number of stock equivalent units outstanding in our deferred compensation accounts was:

• 788 thousand as of December 31, 2019,

• 788 thousand as of December 31, 2018 and

• 804 thousand as of December 31, 2017.

NOTE 17: LEASES

We account for leases in accordance with ASC Topic 842, Leases, which we adopted on January 1, 2019 using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings. This adoption resulted in the recognition of right-of-use assets ("ROU assets") of $165 million and lease liabilities of $172 million, with the difference of $7 million recorded to "Retained earnings", on our Consolidated Balance Sheet on January 1, 2019.

The majority of our operating leases are related to our office and warehouse space, and the majority of our financing leases are related to vehicles and forklifts. Our leases have remaining lease terms of approximately 1 year to 25 years. Options to renew, extend or terminate a lease are reflected in our lease terms when we believe it is reasonably certain we will exercise that option. When our leases do not provide an implicit or an explicit interest rate, we use our incremental borrowing rate in determining the present value of lease payments.

Lease Expense

DOLLAR AMOUNTS IN MILLIONS
	2019
Operating lease costs	$	20
Financing lease costs		15
Total lease costs	$	35

Supplemental Cash Flow Information

DOLLAR AMOUNTS IN MILLIONS
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	20
Financing cash flows for financing leases(1)	$	16
ROU assets obtained in exchange for new (modified) lease liabilities:
Operating leases	$	6
Financing leases	$	5

(1) Interest expense related to financing leases was immaterial during 2019.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 93

Supplemental Balance Sheet Information Related to Leases

DOLLAR AMOUNTS IN MILLIONS
		DECEMBER 31, 2019
LEASES	BALANCE SHEET CLASSIFICATION
Assets
Operating lease ROU assets	Other assets	$	120
Financing lease ROU assets	Property and equipment, net		28
Total leased assets		$	148
Liabilities
Current:
Operating lease liabilities	Accrued liabilities	$	20
Financing lease liabilities	Accrued liabilities		13
Noncurrent:
Operating lease liabilities	Other liabilities		103
Financing lease liabilities	Other liabilities		20
Total lease liabilities		$	156

Weighted Average Remaining Lease Term

	DECEMBER 31, 2019
Operating leases	11 years
Financing leases	3 years

Weighted Average Discount Rate

	DECEMBER 31, 2019
Operating leases	4.2%
Financing leases	3.1%

Maturities of Lease Liabilities as of December 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	OPERATING LEASES			FINANCING LEASES
2020	$	20		$	14
2021		18			10
2022		17			7
2023		16			4
2024		12			—
Thereafter		70			—
Total lease payments		153			35
Less: interest		(30	)		(2	)
Total present value of lease liabilities	$	123		$	33

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 94

Operating Lease Commitments as of December 31, 2018

DOLLAR AMOUNTS IN MILLIONS
2019	$	35
2020	$	29
2021	$	26
2022	$	24
2023	$	18
Thereafter	$	78

NOTE 18: CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS

INTEGRATION, RESTRUCTURING AND CLOSURES

During 2017, we incurred and accrued a total of $34 million for termination benefits (primarily severance), non-recurring professional services and other costs directly attributable to our merger with Plum Creek.

Other restructuring and closure costs totaled $6 million in 2017, which included lease termination charges, dismantling and demolition of plant and equipment, gain or loss on disposition of assets, environmental cleanup costs and incremental costs to wind down operating facilities.

ASSET IMPAIRMENTS

The “Impairment of Long-Lived Assets” section of Note 1: Summary of Significant Accounting Policies provides details about how we account for impairments. Additional information can also be found in our Critical Accounting Policies.

In 2019, we recognized an impairment charge of $80 million related to our Montana timberlands assets. On December 17, 2019, we announced an agreement to sell 630,000 acres of Montana timberlands, and the related assets met the relevant criteria to be classified as held for sale as of December 31, 2019. This designation required us to record the related assets at fair value, less an amount of estimated selling costs, and thus recognize an $80 million noncash pretax impairment charge in the Timberlands segment. The fair value of the related assets was primarily based on the agreed upon cash purchase price of $145 million.

In 2017, we recognized an impairment charge of $147 million related to the timberlands and manufacturing assets of our Uruguay operations.

Refer to Note 4: Divestitures and Assets Held for Sale for further details on the assets held for sale and the sale of our Uruguay operations.

Additionally, in 2017, we recognized a small impairment charge related to a nonstrategic asset in our Wood Products segment. The fair value of the asset was determined using the value indicated in a purchase and sale agreement.

NOTE 19: CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET

In July 2017, we announced we were implementing a solution to address concerns regarding our TJI® Joists coated with our former Flak Jacket® Protection product. This issue was isolated to Flak Jacket product manufactured after December 1, 2016 and did not affect any of our other products.

During the year ended December 31, 2019, we received and recorded an insurance recovery of $68 million related to our remediation efforts. In addition, we recorded insurance recoveries of $25 million and product remediation charges of $25 million during the year ended December 31, 2018. During the year ended December 31, 2017, we recorded $290 million for expected costs associated with the remediation. The charges and recoveries recorded are attributable to our Wood Products segment and were recorded in "Charges (recoveries) for product remediation, net" on the Consolidated Statement of Operations.

NOTE 20: OTHER OPERATING COSTS (INCOME), NET

Other operating costs (income), net:

• includes both recurring and non-recurring income and expense items and

• can fluctuate from year to year.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 95

Income and Expense Items Included in Other Operating Costs (Income), Net

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Environmental remediation insurance recoveries	$	—		$	(5	)	$	(42	)
Foreign exchange losses (gains), net (1)		2			(3	)		(1	)
Gain on disposition of nonstrategic assets		(4	)		(5	)		(16	)
Gain on sale of timberlands (2)		(48	)		—			(99	)
Litigation expense, net		63			35			20
Research and development expenses		6			8			14
Other, net (3)		28			52			10
Total other operating costs (income), net	$	47		$	82		$	(114	)

(1) Foreign exchange gains and losses result from changes in exchange rates primarily related to our U.S. dollar denominated cash and debt balances that are held by our Canadian subsidiary.

(2) The 2019 gain on sale of timberlands relates to the sale of our Michigan timberlands during fourth quarter 2019. The 2017 amount relates to 100,000 acres sold to Twin Creeks during fourth quarter 2017. Refer to Note 4: Divestitures and Assets Held for Sale and Note 8: Related Parties, respectively, for further information.

(3) "Other, net" includes environmental remediation charges. See Note 14: Legal Proceedings, Commitments and Contingencies for more information.

NOTE 21: INCOME TAXES

This note provides details about income taxes applicable to our operations, including the following:

• earnings before income taxes,

• provision for income taxes,

• effective income tax rate,

• deferred tax assets and liabilities,

• unrecognized tax benefits and

• resolution of IRS tax matter.

The Income Taxes section of Note 1: Summary of Significant Accounting Policies provides details about how we account for our income taxes.

EARNINGS (LOSS) BEFORE INCOME TAXES

Domestic and Foreign Earnings (Loss) Before Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018		2017
Domestic earnings (loss)	$	(268	)	$	556	$	643
Foreign earnings		55			251		73
Total earnings (loss) before income taxes	$	(213	)	$	807	$	716

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 96

PROVISION (BENEFIT) FOR INCOME TAXES

Provision (Benefit) for Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Current:
Federal	$	21		$	(69	)	$	10
State		1			(5	)		—
Foreign		10			61			82
Total current		32			(13	)		92
Deferred:
Federal		(137	)		45			61
State		(31	)		12			(18	)
Foreign		(1	)		15			(1	)
Total deferred		(169	)		72			42
Total income tax provision (benefit)	$	(137	)	$	59		$	134

EFFECTIVE INCOME TAX RATE

Effective Income Tax Rate

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
U.S. federal statutory income tax	$	(45	)	$	170		$	250
State income taxes, net of federal tax benefit		(31	)		8			(2	)
REIT income not subject to federal income tax		(68	)		(116	)		(198	)
SDT settlement(1)		—			21			—
Tax effect of U.S. corporate rate change(2)		—			—			74
Voluntary pension contribution(3)		—			(41	)		—
Return to provision adjustment		4			(1	)		2
Foreign taxes		(2	)		15			54
Repatriation of Canadian earnings		—			—			(22	)
Other, net		5			3			(24	)
Total income tax provision (benefit)	$	(137	)	$	59		$	134
Effective income tax rate	64.1%			7.3%			18.8%

(1) In fourth quarter 2018, we recorded tax expense of $21 million related to the settlement of a dispute with the IRS. Refer to “Resolution of IRS Matter” below for further information.

(2) In December 2017, H.R. 1 (the Tax Act) was enacted. The Tax Act contained significant changes to corporate taxation, including a reduction in the corporate tax rate from 35 percent to 21 percent. As a result of this change, we revalued our deferred tax assets and liabilities and recorded tax expense of $74 million during 2017, which reduced our net deferred tax asset.

(3) At the end of 2017, we revalued our deferred tax assets and liabilities to the 21 percent federal tax rate prescribed by the Tax Act. During 2018, we made a voluntary contribution of $300 million to our U.S. qualified pension plan. We deducted this contribution on our 2017 U.S. federal tax return at the 2017 federal tax rate of 35 percent. This resulted in an incremental $41 million tax benefit for the portion attributable to our TRSs. Refer to Note 9: Pension and Other Postretirement Benefit Plans for further information on the voluntary contribution.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 97

DEFERRED TAX ASSETS AND LIABILITIES

Deferred tax assets and liabilities reflect the future tax effect created by differences between the timing of when income or deductions are recognized for pretax financial book reporting purposes versus income tax purposes. Deferred tax assets represent a future tax benefit (or reduction to income taxes in a future period), while deferred tax liabilities represent a future tax obligation (or increase to income taxes in a future period).

Balance Sheet Classification of Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Net noncurrent deferred tax asset	$	72		$	15
Net noncurrent deferred tax liability		(6	)		(43	)
Net deferred tax asset (liability)	$	66		$	(28	)

Items Included in Our Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Deferred tax assets:
Pension and postretirement benefits	$	159		$	112
State tax credits		53			51
Depletion		34			41
Excess interest		55			30
Incentive compensation		17			20
Workers compensation		18			18
Net operating loss carryforwards		28			19
Other		101			96
Gross deferred tax assets		465			387
Valuation allowance		(64	)		(61	)
Net deferred tax assets		401			326
Deferred tax liabilities:
Property, plant and equipment		(224	)		(197	)
Timber installment notes		(74	)		(116	)
Other		(37	)		(41	)
Net deferred tax liabilities		(335	)		(354	)
Net deferred tax asset (liability)	$	66		$	(28	)

Net Operating Loss and Credit Carryforwards

Our gross federal, state and foreign net operating loss carryforwards as of December 31, 2019 totaled $850 million as follows:

• Federal - U.S. REIT - $302 million, which expire from 2034 through 2036;

• State - $548 million, which will begin to expire in 2022; and

• Foreign - none currently recorded.

Our gross state credit carryforwards as of December 31, 2019 totaled $67 million, which includes $16 million that expire from 2020 through 2033 and $51 million that do not expire. Our U.S. TRSs have $7 million in foreign tax credit carryforwards that expire from 2027 through 2028.

Valuation Allowances

With the exception of the valuation allowance discussed below, we believe it is more likely than not that we will have sufficient future taxable income to realize our deferred tax assets.

Our valuation allowance on our deferred tax assets was $64 million as of December 31, 2019, which related to state credits, state net operating losses and passive foreign tax credits.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 98

Reinvestment of Undistributed Earnings

Starting in 2018, we revised our indefinite reinvestment assertion regarding the earnings of our Canadian subsidiary to permanently reinvest approximately 10 percent of its earnings. Our change in assertion was based on the company’s review of global cash management and planned capital deployment, taking into consideration the effects of the Tax Act. We have no other foreign subsidiaries with undistributed earnings. Accordingly, deferred taxes have been provided primarily related to Canadian withholding taxes associated with Canadian earnings no longer considered permanently reinvested.

UNRECOGNIZED TAX BENEFITS

Unrecognized tax benefits represent potential future obligations to taxing authorities if uncertain tax positions we have taken on previously filed tax returns are not sustained. In accordance with our accounting policy, we accrue interest and penalties related to unrecognized tax benefits as a component of income tax expense (see Note 1: Summary of Significant Accounting Policies). The total gross amount of unrecognized tax benefits as of December 31, 2019 and 2018, as well as the activity during those years, were immaterial.

As of December 31, 2019, our 2016 and 2017 U.S. federal income tax returns are under examination. No foreign jurisdiction income tax returns are under examination. Our U.S. federal income tax returns are open to examination for years 2016 forward and foreign jurisdiction income tax returns are open to examination for years 2012 forward. We are undergoing examinations in state jurisdictions for tax years 2009 through 2017, with tax years 2009 forward open to examination. We do not expect that the outcome of any examination will have a material effect on our consolidated financial statements; however, audit outcomes and the timing of audit settlements are subject to significant uncertainty.

RESOLUTION OF IRS MATTER

In connection with the merger with Plum Creek, we acquired equity interests in Southern Diversified Timber, LLC (SDT), a timberland joint venture (Timberland Venture) with an affiliate of Campbell Global LLC (TCG Member). On August 31, 2016, the Timberland Venture redeemed TCG Member's interest and became a fully consolidated, wholly-owned subsidiary of Weyerhaeuser.

We received a Notice of Final Partnership Administrative Adjustment (FPAA) dated July 20, 2016, from the Internal Revenue Service (IRS) in regard to Plum Creek's 2008 U.S. federal income tax treatment of the transaction forming the Timberland Venture. The IRS asserted that the transfer of the timberlands to the Timberland Venture was a taxable transaction to Plum Creek at the time of the transfer rather than a nontaxable capital contribution. We subsequently filed a petition in the U.S. Tax Court to contest this adjustment.

On February 8, 2019, we entered into a closing agreement with the IRS to settle this dispute. Under the terms of the agreement, the company paid approximately $21 million of corporate tax. This amount was recorded as tax expense in fourth quarter 2018. No interest or penalties were assessed. The parties filed a stipulated decision with the U.S. Tax Court, pursuant to which the Court officially closed the matter.

NOTE 22: GEOGRAPHIC AREAS

This note provides selected key financial data according to the geographical locations of our customers.

SALES

Our sales to unaffiliated customers outside the U.S. are primarily to customers in Canada, Japan and China. Our export sales are comprised primarily of logs, lumber and wood chips to Japan and China.

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Sales to unaffiliated customers:
U.S.	$	5,674	$	6,365	$	6,168
Canada		440		519		472
Japan		305		410		352
China		90		120		107
Other foreign countries		45		62		97
Total	$	6,554	$	7,476	$	7,196
Export sales from the U.S.:
Japan	$	265	$	338	$	295
China		85		113		102
Other foreign countries		129		153		148
Total	$	479	$	604	$	545

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 99

LONG-LIVED ASSETS

Our long-lived assets used in the generation of revenues in different geographical areas are nearly all in the U.S. and Canada. Our long-lived assets primarily include:

• property and equipment, including construction in progress,

• timber and timberlands and

• minerals and mineral rights.

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
U.S.	$	14,074	$	14,778
Canada		275		220
Total	$	14,349	$	14,998

NOTE 23: SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

Quarterly financial data provides a review of our results and performance throughout the year. Our earnings (loss) per share for the full year does not always equal the sum of the four quarterly earnings (loss) per share amounts because of common share activity during the year. As the company’s common shares are traded on the New York Stock Exchange (NYSE), market price information, such as the high and low trading prices for our common shares can be found under the symbol WY.

Key Quarterly Financial Data

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
	FIRST QUARTER			SECOND QUARTER		THIRD QUARTER		FOURTH QUARTER			FULL YEAR
2019:
Net sales	$	1,643		$	1,692	$	1,671	$	1,548		$	6,554
Operating income	$	174		$	186	$	202	$	89		$	651
Earnings (loss) before income taxes	$	(393	)	$	91	$	102	$	(13	)	$	(213	)
Net earnings (loss)	$	(289	)	$	128	$	99	$	(14	)	$	(76	)
Basic and diluted net earnings (loss) per share	$	(0.39	)	$	0.17	$	0.13	$	(0.02	)	$	(0.10	)
Dividends paid per share	$	0.34		$	0.34	$	0.34	$	0.34		$	1.36
2018:
Net sales	$	1,865		$	2,065	$	1,910	$	1,636		$	7,476
Operating income	$	404		$	476	$	337	$	177		$	1,394
Earnings (loss) before income taxes	$	299		$	382	$	240	$	(114	)	$	807
Net earnings (loss)	$	269		$	317	$	255	$	(93	)	$	748
Basic and diluted net earnings (loss) per share	$	0.35		$	0.42	$	0.34	$	(0.12	)	$	0.99
Dividends paid per share	$	0.32		$	0.32	$	0.34	$	0.34		$	1.32

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 100

CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

Not applicable.

CONTROLS AND PROCEDURES

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

The company’s principal executive officer and principal financial officer have evaluated the effectiveness of the company’s disclosure controls and procedures as of the end of the period covered by this annual report on Form 10-K. Disclosure controls are controls and other procedures that are designed to ensure that information required to be disclosed in the reports filed or submitted under the Securities Exchange Act of 1934, as amended (Act), is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s (SEC) rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Act is accumulated and communicated to the company's management, including its principal executive and principal financial officers, to allow timely decisions regarding required disclosure.

Based on their evaluation, the company’s principal executive officer and principal financial officer have concluded that the company’s disclosure controls and procedures are effective to ensure that information required to be disclosed complies with the SEC’s rules and forms.

CHANGES IN INTERNAL CONTROL

No changes occurred in the company's internal control over financial reporting during the period that have materially affected, or are reasonably likely to materially affect, the company's internal control over financial reporting.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management is responsible for establishing and maintaining adequate internal control over financial reporting as is defined in the Securities Exchange Act of 1934 rules. Management, under our supervision, conducted an evaluation of the effectiveness of the company’s internal control over financial reporting based on the framework in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based on our evaluation under the framework in Internal Control — Integrated Framework (2013), management concluded that the company’s internal control over financial reporting was effective as of December 31, 2019. The effectiveness of the company’s internal control over financial reporting as of December 31, 2019, has been audited by KPMG LLP, an independent registered public accounting firm, as stated in their report, which is included herein.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 101

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Shareholders and Board of Directors
Weyerhaeuser Company:

Opinion on Internal Control Over Financial Reporting

We have audited Weyerhaeuser Company and subsidiaries’ (the Company) internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.  

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2019 and 2018, the related consolidated statements of operations, comprehensive income, cash flows, and changes in equity for each of the years in the three-year period ended December 31, 2019, and the related notes (collectively, the consolidated financial statements), and our report dated February 14, 2020 expressed an unqualified opinion on those consolidated financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ KPMG LLP

Seattle, Washington

February 14, 2020

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 102

OTHER INFORMATION

The following disclosures are provided in compliance with Item 5.02(e) of Form 8-K.

Annual Incentive Plan

On February 14, 2020, the company’s board of directors approved certain amendments to the Weyerhaeuser Company Amended and Restated Annual Incentive Plan for Salaried Employees. The plan, which sets forth the general terms and conditions for the annual cash incentive bonus for employees, including the company’s executive officers, was amended primarily to reduce the maximum bonus payable to an executive officer from 3 times to 2 times such executive officer’s target bonus.

In accordance with Item 9.01(d) of Form 8-K, a copy of the Weyerhaeuser Company Amended and Restated Annual Incentive Plan for Salaried Employees Plan, as amended, is filed as Exhibit 10(u) to this annual report on Form 10-K.

Executive Severance and Change of Control Agreements

On February 14, 2020, each of the company’s executive officers, including each of its named executive officers, entered into a new executive severance agreement and a new change in control agreement with the company. The new agreements replace existing severance and change in control agreements between each of the executive officers and the company. Except as noted below, the terms and conditions of the new agreements are substantially the same as the agreements they replace. Following is a brief summary of the material terms of each agreement.

Executive Severance Agreement

Term: Three years, expiring on December 31, 2022.  Following the initial term, the agreements continue for successive one-year terms unless canceled by either the company or the executive officer within 30 days of December 31^st.  The prior severance agreements also renewed automatically for one-year terms and were cancellable by either party.  

Benefits: The severance benefit for executives other than the CEO is an amount equal to: (a) 1.5 times the executive’s base salary; (b) 1.5 times the executive’s target annual bonus; (c) a pro rata portion of the executive’s actual bonus for the plan year in which the termination of employment occurs; and (d) $10,000 for replacement of health and welfare benefits. The severance benefit provided under the CEO’s executive severance agreement is defined as set forth above, except that he is eligible to receive 2 times his base salary and target bonus.

The severance benefit amount under the new executive severance agreement is unchanged from the benefit provided for under the previous executive severance agreement. Benefit payments are subject to the company’s clawback and similar forfeiture policies and are not payable in the event that benefits are payable under the executive’s change in control agreement.  

Triggering

Event: The severance benefit is triggered upon the executive’s involuntary termination of employment other than for cause, mandatory retirement or the executive’s death or disability.

Change in Control Agreement

Term: Three years, expiring on December 31, 2022. Following the initial term, the agreements continue for successive one-year terms unless canceled by either the company or the executive officer within 30 days of December 31^st. The prior change in control agreements also renewed automatically for one-year terms and were cancellable by either party.  

Benefits: The severance benefit for executives other than the CEO is an amount equal to: (a) 2 times the executive’s base salary; (b) 2 times the executive’s target annual bonus; (c) a pro rata portion of the executive’s actual bonus for the plan year in which the termination of employment occurs; (d) $75,000 for replacement of health and welfare benefits; (e) vesting of benefits under supplemental retirement plans and 2 years of additional credited age and service under such plans; and (f) vesting of outstanding equity awards, including vesting of performance-based awards at target performance. The severance benefit provided under the CEO’s change in control agreement is defined as set forth above, except that he is eligible to receive 3 times his base salary and target bonus and 3 years of additional credited age and service under supplemental retirement plans.

The severance benefit for executives other than the CEO is reduced under the new agreement from 3 times to 2 times the executive’s base salary and target bonus and 3 years to 2 years of additional credited age and service under supplemental retirement plans. Benefit payments are subject to the company’s clawback and similar forfeiture policies.

Triggering

Event: The severance benefit is triggered upon the executive’s involuntary termination of employment or voluntary termination of employment for “good reason” (as defined in the agreement) within 24 months following a change in control of the company. The benefit is not payable in the event of the executive’s termination for cause, mandatory retirement or the executive’s death or disability.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 103

In accordance with Item 9.01(d) of Form 8-K, a copy of the form of Executive Change in Control Agreement, CEO Change in Control Agreement, form of Executive Severance Agreement and CEO Severance Agreement are filed as Exhibits 10(a), 10(b), 10(c) and 10(d), respectively, to this annual report on Form 10-K.

The foregoing description of the Weyerhaeuser Company Amended and Restated Annual Incentive Plan for Salaried Employees, as amended, form of Executive Severance Agreement, CEO Severance Agreement, form of Executive Change in Control Agreement and CEO Change in Control Agreement is a general description only, does not purport to be complete and is qualified in its entirety by reference to such documents, which are filed as exhibits to this annual report on Form 10-K and are incorporated herein by reference.

DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

A list of our executive officers and their biographical information can be found in Part I of this report in the Our Business — Information About Our Executive Officers section. Information with respect to directors of the company and certain other corporate governance matters, as required by this item to Form 10-K, is set forth in the Notice of the 2020 Annual Meeting and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020 under the following headings: "Item 1. Election of Directors,” “Corporate Governance at Weyerhaeuser,” and “Stock Information,” and in each case such required information is incorporated herein by reference.

The Weyerhaeuser Code of Ethics applies to our chief executive officer, our chief financial officer and our chief accounting officer, as well as other officers, directors and employees of the company. The Weyerhaeuser Code of Ethics is posted on our website at www.weyerhaeuser.com, and currently is located under the tabs “Sustainability”, then “Governance”, then “Operating Ethically” and finally “Code of Ethics”.

EXECUTIVE AND DIRECTOR COMPENSATION

Information with respect to executive and director compensation, as required by this item to Form 10-K, is set forth in the Notice of the 2020 Annual Meeting and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020 under the headings “Item 1. Election of Directors" and “Executive Compensation,” and in each case, such required information is incorporated herein by reference.

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information with respect to security ownership of certain beneficial owners and management and with respect to securities authorized for issuance under our equity compensation plans, as required by this item to Form 10-K, is set forth in the Notice of the 2020 Annual Meeting and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020 under the heading “Stock Information,” and such required information is incorporated herein by reference.

CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE

Information about certain relationships and related transactions and director independence, as required by this item to Form 10-K, is set forth in the Notice of the 2020 Annual Meeting and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020 under the heading “Corporate Governance at Weyerhaeuser,” and such required information is incorporated herein by reference.

PRINCIPAL ACCOUNTING FEES AND SERVICES

Information with respect to principal accounting fees and services, as required by this item to Form 10-K, is set forth in the Notice of the 2020 Annual Meeting and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020 under the heading “Item 3. Ratify Selection of Independent Registered Public Accounting Firm” and such required information is incorporated herein by reference.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 104

EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

All financial statement schedules have been omitted because they are not applicable or the required information is included in the consolidated financial statements, or the notes thereto, in Financial Statements and Supplementary Data above.

The agreements included as exhibits to this annual report are included to provide information about their terms and not to provide any other factual or disclosure information about the company or the other parties to the agreements. The agreements may contain representations and warranties by each party to the applicable agreement that were made solely for the benefit of the other party to the agreement and should not be treated as categorical statements of fact, but rather as a way of allocating the risk among the parties if those statements prove to be inaccurate. These representations and warranties may have been qualified by disclosures that were made to the other party in connection with the negotiation of the applicable agreement, which disclosures are not necessarily reflected in the agreement, may apply standards of materiality in a way that is different from what may be viewed as material to investors, were made only as of the date of the applicable agreement or such other date or dates as may be specified in the agreement, and are subject to more recent developments. Accordingly, these representations and warranties may not describe the actual state of affairs as of the date they were made or at any other time.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 105

EXHIBITS

2	—	Plan of Acquisition, Reorganization, Arrangement, Liquidation or Succession
		(a)	Agreement and Plan of Merger, dated as of November 6, 2015, between Weyerhaeuser Company and Plum Creek Timber Company, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed on November 9, 2015 - Commission File Number 1-4825)
3	—	Articles of Incorporation
		(a)	Articles of Incorporation (incorporated by reference to Exhibit 3.1 to the Quarterly Report on Form 10-Q filed on May 6, 2011 - Commission File Number 1-4825, and to Exhibit 3.1 to the Current Report on Form 8-K filed on June 20, 2013 - Commission File Number 1-4825)
		(b)	Bylaws (incorporated by reference to Exhibit 3.1 to the Quarterly Report on Form 10-Q filed on October 26, 2018 - Commission File Number 1-4825)
4	—	Instruments Defining the Rights of Security Holders, Including Indentures
		(a)	Indenture dated as of April 1, 1986 between Weyerhaeuser Company and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank and Chemical Bank), a national banking association, as Trustee (incorporated by reference from the Registration Statement on Form S-3, Registration No. 333-36753)
		(b)	First Supplemental Indenture dated as of February 15, 1991 between Weyerhaeuser Company and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank and Chemical Bank), a national banking association, as Trustee (incorporated by reference from the Registration Statement on Form S-3, Registration No. 333-52982)**
		(c)	Second Supplemental Indenture dated as of February 1, 1993 between Weyerhaeuser Company and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank and Chemical Bank), a national banking association, as Trustee (incorporated by reference from the Registration Statement on Form S-3, Registration No. 333-59974)**
		(d)	Third Supplemental Indenture dated as of October 22, 2001 between Weyerhaeuser Company and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank and Chemical Bank), a national banking association, as Trustee (incorporated by reference to Exhibit 4(d) to the Registration Statement on Form S-3, Registration No. 333-72356)
		(e)	Fourth Supplemental Indenture dated as of March 12, 2002 between Weyerhaeuser Company and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank and Chemical Bank), a national banking association, as Trustee (incorporated by reference to Exhibit 4.8 from the Registration Statement on Form S-4/A, Registration No. 333-82376)
		(f)	Indenture dated as of March 15, 1983 between Weyerhaeuser Company (as successor to Willamette Industries, Inc.) and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank), as Trustee (incorporated by reference to Exhibit 4(f) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)
		(g)	Indenture dated as of January 30, 1993 between Weyerhaeuser Company (as successor to Willamette Industries, Inc.) and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank), as Trustee (incorporated by reference to Exhibit 4(g) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)
		(h)	First Supplemental Trust Indenture dated as of March 12, 2002 between Weyerhaeuser Company (as successor to Willamette Industries, Inc.) and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank, formerly known as The Chase Manhattan Bank), as Trustee (incorporated by reference to Exhibit 4(h) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)
		(i)	Indenture dated as of January 15, 1996 between Weyerhaeuser Company Limited (as successor to MacMillan Bloedel Limited) and The Bank of New York Mellon Trust Company, N.A. (as successor to Harris Trust Company of New York, formerly known as Bank of Montreal Trust Company), as Trustee (incorporated by reference to Exhibit 4(i) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)
		(j)	First Supplemental Indenture dated as of November 1, 1999 between Weyerhaeuser Company Limited and The Bank of New York Mellon Trust Company, N.A. (as successor to Harris Trust Company of New York, formerly Bank of Montreal Trust Company), as Trustee (incorporated by reference to Exhibit 4(j) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)
		(k)	Note Indenture dated November 14, 2005 by and among Plum Creek Timberlands, L.P., as Issuer, Weyerhaeuser Company, as successor to Plum Creek Timber Company, Inc., as Guarantor, and U.S. Bank National Association, as Trustee (incorporated by reference to Exhibit 4.2 to the Current Report on Form 8-K filed on February 19, 2016 - Commission File Number 1-4825)
		(l)	Supplemental Indenture No. 1 dated as of February 19, 2016 by and among Plum Creek Timberlands, L.P., as Issuer, Weyerhaeuser Company, as Guarantor, and U.S. Bank National Association, as Trustee (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed on February 19, 2016 - Commission File Number 1-4825)
		(m)	Supplemental Indenture No. 2 dated September 28, 2016 by and between Weyerhaeuser Company, as successor Issuer, and U.S. Bank National Association, as Trustee (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed on September 30, 2016 - Commission File Number 1-4825)

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 106

		(n)	Officer’s Certificate dated November 15, 2010 executed by Plum Creek Timberlands, L.P., as Issuer (incorporated by reference to Exhibit 4.3 to the Current Report on Form 8-K filed on February 19, 2016 - Commission File Number 1-4825)
		(o)	Officer’s Certificate dated November 26, 2012 executed by Plum Creek Timberlands, L.P., as Issuer (incorporated by reference to Exhibit 4.4 to the Current Report on Form 8-K filed on February 19, 2016 - Commission File Number 1-4825)
		(p)	Assumption and Amendment Agreement and Installment Note dated as of April 28, 2016 by and among Plum Creek Timberlands, L.P., Weyerhaeuser Company and MeadWestvaco Timber Note Holding Company II, L.L.C. (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed on May 4, 2016 - Commission File Number 1-4825)
		(q)	Officer’s Certificate dated February 25, 2019 executed by Weyerhaeuser Company, as Issuer (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed on February 25, 2019 - Commission File Number 1-4825)
		(r)	Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934
10	—	Material Contracts
		(a)	Form of Weyerhaeuser Executive Change in Control Agreement, as in effect as of February 14, 2020*
		(b)	Weyerhaeuser CEO Change in Control Agreement, as in effect as of February 14, 2020*
		(c)	Form of Weyerhaeuser Executive Severance Agreement, as in effect as of February 14, 2020*
		(d)	Weyerhaeuser CEO Severance Agreement, as in effect as of February 14, 2020*
		(e)	Retention Agreement with Russell S. Hagen dated August 24, 2018 (incorporated by reference to Exhibit 10.2 to the Quarterly Report on Form 10-Q filed on October 26, 2018 - Commission File Number 1-4825)*
		(f)	Restricted Stock Unit Agreement with Adrian M. Blocker dated August 24, 2018 (incorporated by reference to Exhibit 10.3 to the Quarterly Report on Form 10-Q filed on October 26, 2018 - Commission File Number 1-4825)*
		(g)	Weyerhaeuser Company 2013 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed with the Securities and Exchange Commission on February 19, 2013 - Commission File Number 1-4825)*
		(h)	Form of Weyerhaeuser Company 2013 Long-Term Incentive Plan Stock Option Award Terms and Conditions (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed on April 16, 2013 - Commission File Number 1-4825)*
		(i)	Form of Weyerhaeuser Company 2013 Long Term Incentive Plan Performance Share Unit Award Terms and Conditions for Plan Years 2017, 2018 and 2019 (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on January 26, 2017 - Commission File Number 1-4825)*
		(j)	Form of Weyerhaeuser Company 2013 Long Term Incentive Plan Performance Share Unit Award Terms and Conditions for Plan Year 2020 (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on January 24, 2020 - Commission File Number 1-4825)*
		(k)	Form of Weyerhaeuser Company 2013 Long-Term Incentive Plan Restricted Stock Unit Award Terms and Conditions for Plan Years 2016, 2017, 2018, 2019 and 2020 (incorporated by reference to Exhibit 10(i) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)*
		(l)	Form of Weyerhaeuser Company 2004 Long-Term Incentive Plan Stock Option Award Terms and Conditions (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on February 11, 2013 - Commission File Number 1-4825)*
		(m)	Weyerhaeuser Company 2004 Long-Term Incentive Compensation Plan, as Amended and Restated (incorporated by reference to Exhibit 10.5 to the Current Report on Form 8-K filed on December 29, 2010 - Commission File Number 1-4825)*
		(n)	Form of Plum Creek Executive Stock Option, Restricted Stock Unit and Value Management Award Agreement For Plan Year 2010 (incorporated by reference to Exhibit 10(v) to the Annual Report on Form 10-K for the annual period ended December 31, 2016 - Commission File Number 1-4825)*
		(o)	Form of Plum Creek Executive Stock Option, Restricted Stock Unit and Value Management Award Agreement For Plan Year 2011 (incorporated by reference to Exhibit 10(w) to the Annual Report on Form 10-K for the annual period ended December 31, 2016 - Commission File Number 1-4825)*
		(p)	2012 Plum Creek Timber Company, Inc. Stock Incentive Plan (incorporated by reference to Exhibit 99.1 from the Registration Statement on Form S-8, Registration No. 333-209617)*
		(q)	Amended and Restated Plum Creek Timber Company, Inc. Stock Incentive Plan (incorporated by reference to Exhibit 99.2 from the Registration Statement on Form S-8, Registration No. 333-209617)*
		(r)	Plum Creek Supplemental Pension Plan (incorporated by reference to Exhibit 10(dd) to the Annual Report on Form 10-K for the annual period ended December 31, 2016 - Commission File Number 1-4825)*
		(s)	Plum Creek Pension Plan (incorporated by reference to Exhibit 10(ee) to the Annual Report on Form 10-K for the period ended December 31, 2016 - Commission File Number 1-4825)*
		(t)	Plum Creek Supplemental Benefits Plan (incorporated by reference to Exhibit 10(ff) to the Annual Report on Form 10-K for the annual period ended December 31, 2016 - Commission File Number 1-4825)*
		(u)	Weyerhaeuser Company Amended and Restated Annual Incentive Plan for Salaried Employees (as amended effective February 14, 2020)*
		(v)	Weyerhaeuser Company 2015 Deferred Compensation Plan (incorporated by reference to Exhibit 10.3 to the Current Report on Form 8-K filed on December 22, 2014 - Commission File Number 1-4825)*
		(w)	Weyerhaeuser Company Salaried Employees Supplemental Retirement Plan (incorporated by reference to Exhibit 10(p) to the Annual Report on Form 10-K for the annual period ended December 31, 2004 - Commission File Number 1-4825)*

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 107

		(x)	2011 Fee Deferral Plan for Directors of Weyerhaeuser Company (Amended and Restated Effective January 1, 2016) (incorporated by reference to Exhibit 10.1 to the Quarterly Report on Form 10-Q filed on May 6, 2016 - Commission File Number 1-4825)*
		(y)	Form of Weyerhaeuser Company 2013 Long-Term Incentive Plan Director Restricted Stock Unit Award Terms and Conditions (incorporated by reference to Exhibit 10(z) to the Annual Report on Form 10-K for the annual period ended December 31, 2017 – Commission File Number 1-4825)*
		(z)	Revolving Credit Facility Agreement dated as of January 29, 2020, among Weyerhaeuser Company, as Borrower, the lenders party thereto, and Wells Fargo Bank, National Association, as Administrative Agent (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on January 29, 2020 - Commission File Number 1-4825)
		(aa)	Term Loan Agreement dated July 24, 2017, by and among Weyerhaeuser Company, Northwest Farm Credit Services, PCA, as administrative agent, and the lender party thereto (incorporated by reference to Exhibit 10 to the Quarterly Report on Form 10-Q filed on July 28, 2017- Commission File Number 1-4825)
		(bb)	Redemption Agreement dated as of August 30, 2016 by and among Southern Diversified Timber, LLC, Weyerhaeuser NR Company, TCG Member, LLC, Plum Creek Timber Operations I, L.L.C., TCG/Southern Diversified Manager, LLC, Southern Diversified, LLC, Campbell Opportunity Fund VI, L.P., and Campbell Opportunity Fund VI-A, L.P. (incorporated by reference to Exhibit 10.1 to the Quarterly Report on Form 10-Q filed on October 28, 2016 - Commission File Number 1-4825)
		(cc)	Commitment Agreement dated as of January 23, 2019, by and among Weyerhaeuser Company, Athene Annuity and Life Company and State Street Global Advisors Trust Company. Confidential treatment has been requested for portions of this exhibit pursuant to Rule 24b-2 under the Securities Exchange Act of 1934, as amended. These portions have been omitted and filed separately with the Securities and Exchange Commission (incorporated by reference to Exhibit 10(hh) to the Annual Report on Form 10-K for the annual period ended December 31, 2018 - Commission File Number 1-4825)
14	—	Code of Business Conduct and Ethics (incorporated by reference to Exhibit 14.1 to the Current Report on Form 8-K filed on August 22, 2016 - Commission File Number 1-4825)
21	—	Subsidiaries of the Registrant
23	—	Consent of Independent Registered Public Accounting Firm
31(a)	—	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended
31(b)	—	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended
32	—	Certification pursuant to Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350)
101.INS	—	Inline XBRL Instance Document
101.SCH	—	Inline XBRL Taxonomy Extension Schema Document
101.CAL	—	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	—	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	—	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	—	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	—	The cover page from Weyerhaeuser Company’s Annual Report on Form 10-K for the year ended December 31, 2019 has been formatted in Inline XBRL.

* Denotes a management contract or compensatory plan or arrangement.

** Filed in paper - hyperlink not required pursuant to Rule 105 of Regulation S-T

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 108

FORM 10-K SUMMARY

None.

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 109

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized February 14, 2020.

WEYERHAEUSER COMPANY

/s/    DEVIN W. STOCKFISH

Devin W. Stockfish

President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant in the capacities indicated February 14, 2020.

/s/    DEVIN W. STOCKFISH	/s/    RUSSELL S. HAGEN
Devin W. Stockfish Principal Executive Officer and Director	Russell S. Hagen Principal Financial Officer
/s/    DAVID M. WOLD	/s/    RICK R. HOLLEY
David M. Wold Principal Accounting Officer	Rick R. Holley Chairman of the Board and Director
/s/    MARK A. EMMERT	/s/    SARA GROOTWASSINK LEWIS
Mark A. Emmert Director	Sara Grootwassink Lewis Director
/s/    MARC F. RACICOT	/s/    NICOLE W. PIASECKI
Marc F. Racicot Director	Nicole W. Piasecki Director
/s/    D. MICHAEL STEUERT	/s/    LAWRENCE A. SELZER
D. Michael Steuert Director	Lawrence A. Selzer Director
/s/    CHARLES R. WILLIAMSON	/s/    KIM WILLIAMS
Charles R. Williamson Director	Kim Williams Director

WEYERHAEUSER COMPANY > 2019 ANNUAL REPORT AND FORM 10-K 110

EX-4.(R)

Ex. 4(r)

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

Weyerhaeuser Company, a Washington corporation (“Weyerhaeuser”, the “Company”, “we” or “our”), currently has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: the Company’s common shares, par value $1.25 per share (“Common Shares”). The following summary includes a brief description of the Common Shares as well as certain related information.

The following summary describes some of the general terms and provisions of the Common Shares, does not purport to be complete and is subject to, and qualified in its entirety by, the full text of our Articles of Incorporation, as amended on June 19, 2013 (the “Articles of Incorporation”), our Amended and Restated Bylaws, as amended on August 23, 2018 (the “Bylaws”). For additional information please refer to the Articles of Incorporation and the Bylaws, each of which are filed as exhibits to our Annual Report on Form 10-K, and applicable provisions of the Washington Business Corporation Act.

Description of Common Shares

General

The authorized capital stock of Weyerhaeuser Company consists of:

• 1,360,000,000 common shares having a par value of $1.25 per share (the “Common Shares”);

• 7,000,000 preferred shares having a par value of $1.00 per share, issuable in series (the “Preferred Shares”); and

• 40,000,000 preference shares having a par value of $1.00 per share, issuable in series (the “Preference Shares”).

Our Common Shares are traded on the New York Stock Exchange under the symbol “WY.” Computershare Investor Services serves as transfer agent and registrar of the Common Shares. Our Common Shares do not carry any preemptive rights enabling a holder to subscribe for or receive any additional securities that we may issue from time to time. No conversion rights, redemption rights or sinking fund provisions are applicable to our Common Shares. The rights of holders of Common Shares will be subject to the rights of holders of any Preferred Shares and any Preference Shares that may be issued and outstanding from time to time. Our Board of Directors can authorize the issuance of Preferred Shares and Preference Shares without shareholder approval. Such issued shares could have voting, conversion and other rights that could adversely

affect the rights of holders of Common Shares. Our Board of Directors also could authorize the issuance of additional Common Shares from time to time without shareholder approval.

Dividends

The holders of our Common Shares are entitled to receive such dividends as may be declared by our Board of Directors out of funds legally available for distribution. These dividends may be paid only out of funds remaining after full cumulative dividends upon all outstanding Preferred Shares and Preference Shares have been paid or set apart for payment for all past dividend periods and the then current dividend period.

Liquidation Rights

Upon any voluntary or involuntary liquidation of Weyerhaeuser, our assets must be used in the following order of priority:

• payment of or provision for all of our debts and liabilities;

• payment of all sums to which the Preferred Shares or Preference Shares may be entitled; and

• distribution ratably to holders of our Common Shares the remaining assets of Weyerhaeuser.

Voting Rights

The holders of Common Shares currently possess exclusive voting rights on all matters submitted to our shareholders. However, holders of our Preferred Shares and Preference Shares would have special voting rights with respect to the election of directors in the event that we fail to pay dividends thereon in an amount equal to at least six quarterly dividends. In addition, our Board of Directors may also specify other voting rights with respect to Preferred Shares or Preference Shares that may be issued in the future. Each holder of Common Shares is entitled to one vote per share with respect to all matters. There is no cumulative voting in the election of directors, which means that the holders of a majority of the shares entitled to vote for the election of our directors can elect all of our directors then standing for election. Our Articles of Incorporation provide that our Board of Directors must consist of not fewer than nine nor more than 13 directors. The exact number of directors is fixed from time to time by resolution adopted by our Board of Directors.

Restrictions on Ownership and Transfer of Capital Stock

Weyerhaeuser elected to be taxed as a REIT commencing with its taxable year ending December 31, 2010. To continue to qualify for taxation as a REIT, we must comply with certain provisions of the Internal Revenue Code of 1986, as amended (the “Code”). In general, to qualify for taxation as a REIT no more than 50% in value of our capital stock may be owned by five or fewer “individuals” (as defined in the Code) at any time during the last half of a taxable year, and our Common Shares must be beneficially owned by 100 or more persons during at least 335 days of a taxable year of 12 months or during a proportionate part of a shorter taxable year. The Articles of Incorporation provide for certain restrictions regarding the ownership and transfer of our capital stock to protect us from losing our status as a REIT.

Provisions of Washington Law Applicable to Capital Stock

Washington law contains provisions that could delay, deter or prevent a change in control of Weyerhaeuser. Washington law provides that if a person or group of persons (an “acquiring person”) beneficially acquires the voting shares entitled to cast votes comprising ten percent or more of the voting power of a target Washington corporation, such as Weyerhaeuser, the target corporation may not enter into a “significant business transaction” with the acquiring person or affiliate or associate of the acquiring person for a period of five years, unless the transaction is approved (i) by a majority of the members of the board of directors of the target corporation prior to the acquisition of such shares by the acquiring person or (ii) after the acquiring person’s acquisition of such shares, by a majority of the members of the board of directors of the target corporation and at an annual or special meeting of shareholders by two-thirds of the votes entitled to be cast by the outstanding voting shares of the target corporation, except for the shares beneficially owned by or under the voting control of the acquiring person.

Washington law further provides that, except for transactions approved as described above, a target corporation may not engage at any time in a merger, share exchange or consolidation with an acquiring person or its affiliate or associate, or liquidate or dissolve pursuant to an agreement with an acquiring person, unless either (i) the aggregate consideration received by the shareholders of the target corporation is at least equal to the market value of such target corporation’s shares at certain defined points in time and the consideration is paid promptly in cash to the shareholders or (ii) the transaction is approved at a meeting of the target corporation’s shareholders no earlier than five years after the acquisition of ten percent or more of such target corporation’s voting stock by the acquiring person, which approval must be by the votes of a majority of shareholders entitled to be counted within each voting group of shareholders entitled to vote separately on the transaction with any shares owned by the acquiring person not allowed to be voted.

“Significant business transaction” is defined under Washington law to include, among other types of transactions: (a) a merger, share exchange or consolidation of a target corporation with the acquiring person; (b) a sale, lease, exchange, mortgage,

pledge, transfer, or other disposition or encumbrance, whether in one transaction or a series of transactions, to or with such acquiring person of assets having an aggregate market value equal to five percent or more of (i) the aggregate market value of all the assets of a target corporation on a consolidated basis, (ii) the aggregate market value of all outstanding shares of a target corporation on a consolidated basis, or (iii) the earning power or net income of a targeted corporation on a consolidated basis; (c) the termination of five percent or more of the employees of a target corporation or its subsidiaries employed in the State of Washington, whether at one time or over a period of five years as a result of the acquiring person’s acquisition of ten percent or more of the shares of such target corporation; (d) the liquidation or dissolution of a target corporation pursuant to an agreement with an acquiring person; or (e) a reclassification of securities, including without limitation, any shares split, shares dividend, or other distribution of shares in respect of stock, or any reverse shares split or recapitalization of a target corporation, or a merger or consolidation of a target corporation with one of its subsidiaries pursuant to an agreement with an acquiring person that has the effect, directly or indirectly, of increasing the proportionate ownership by the acquiring person of outstanding shares of a class or series of voting shares or securities convertible into voting shares of such target corporation or its subsidiary.

Transactions that do not comply with the above-described requirements are void under Washington law. These provisions of Washington law may discourage transactions that otherwise could provide for the payment of a premium over prevailing market prices for our capital stock and also could limit the price investors are willing to pay for shares of our capital stock.

EX-10.(A)

CIC USEx. 10(a)

Executive
Change in Control Agreement

Weyerhaeuser Company

CIC USEx. 10(a)

Contents

Article 1. Term of This Agreement1

Article 2. Definitions1

Article 3. Participation and Continuing Eligibility Under This Agreement6

Article 4. Severance Benefits6

Article 5. Form and Timing of Severance Benefits9

Article 6. The Company’s Payment Obligation10

Article 7. Dispute Resolution10

Article 8. Outplacement Assistance11

Article 9. Section 409A11

Article 10. Successors and Assignment11

Article 11. Miscellaneous12

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CIC USEx. 10(a)

Weyerhaeuser Company_____________________ (Executive)Executive Change in Control Agreement

THIS EXECUTIVE CHANGE IN CONTROL AGREEMENT is made and entered into by and between Weyerhaeuser Company (hereinafter referred to as the “Company”) and ________________________.

WHEREAS, should the possibility of a Change in Control of the Company arise, the Board of Directors believes it is imperative that the Company and the Board should be able to rely on the Executive to continue in his position, and that the Company should be able to receive and rely on the Executive’s advice, if requested, as to the best interests of the Company and its shareholders without concern that the Executive might be distracted by the personal uncertainties and risks created by the possibility of a Change in Control; and

WHEREAS, should the possibility of a Change in Control arise, in addition to the Executive’s regular duties, the Executive may be called upon to assist in the assessment of such possible Change in Control, advise management and the Board as to whether such Change in Control would be in the best interests of the Company and its shareholders, and to take such other actions as the Board might determine to be appropriate.

NOW THEREFORE, to assure the Company that it will have the continued dedication of the Executive and the availability of his advice and counsel notwithstanding the possibility, threat, or occurrence of a Change in Control of the Company, and to induce the Executive to remain in the employ of the Company, and for other good and valuable consideration, the Company and the Executive agree as follows:

Article 1.Term of This Agreement

This Agreement shall commence on the Effective Date and shall terminate on December 31, 2022; provided, however, that commencing on December 31, 2022 and each December 31 thereafter, the term of this Agreement shall be automatically extended for one additional year unless, not later than thirty (30) calendar days prior to such December 31, the Company or Executive shall have given notice that such party does not wish to extend the term of this Agreement.  

However, in the event a Change in Control occurs during the term of this Agreement, this Agreement will remain in effect for the longer of (i) twenty-four (24) full calendar months beyond the month in which such Change in Control occurred or (ii) until all obligations of the Company to the Executive hereunder have been fulfilled, and until all benefits required hereunder have been paid to the Executive.

Article 2.Definitions

Whenever used in this Agreement, the following terms shall have the meanings set forth below and, when the meaning is intended, the initial letter of the word is capitalized:

(a) “Agreement” means this Executive Change in Control Agreement.

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CIC USEx. 10(a)

(b) “Authorizing Executive”means the Company’s Senior Vice President overseeing Human Resources; except that, for purposes of the executive severance agreement between the Company and the Company’s Senior Vice President overseeing Human Resources, “Authorizing Executive” means the Senior Vice President and General Counsel.

(c) “Base Salary” means the salary of record paid to the Executive as annual salary, excluding amounts received under incentive or other bonus plans, whether or not deferred.

(d) “Beneficial Owner” shall have the meaning ascribed to such term in Rule 13d-3 of the General Rules and Regulations under the Exchange Act.

(e) “Beneficiary” means the persons or entities designated or deemed designated by an Executive pursuant to Section 11.2.

(f) “Board” means the Board of Directors of the Company.

(g) “Cause” means the Executive’s:

(i)Willful and continued failure to perform substantially the Executive’s duties with the Company after the Company delivers to the Executive written demand for substantial performance specifically identifying the manner in which the Executive has not substantially performed the Executive’s duties;

(ii)Conviction of a felony; or

(iii)Willfully engaging in illegal conduct or gross misconduct that is materially and demonstrably injurious to the Company.

For purposes of this Section 2(g), no act or omission by the Executive shall be considered “willful” unless it is done or omitted in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests of the Company. Any act or failure to act based on: (A) authority given pursuant to a resolution duly adopted by the Board or (B) advice of counsel for the Company shall be conclusively presumed to be done or omitted to be done by the Executive in good faith and in the best interests of the Company. For purposes of subsections (i) and (iii) above, the Executive shall not be deemed to be terminated for Cause unless and until there shall have been delivered to the Executive a copy of a resolution duly adopted by the affirmative vote of not less than three-quarters (3/4) of the entire membership of the Board at a meeting called and held for such purpose (after reasonable notice is provided to the Executive and the Executive is given an opportunity, together with counsel, to be heard before the Board) finding that in the good faith opinion of the Board, the Executive is guilty of the conduct described in subsection (i) or (iii) above and specifying the particulars thereof in detail.

(h) “Change in Control” or “CIC” of the Company shall be deemed to have occurred as of the first day that any one or more of the following conditions shall have been satisfied:

(i)Any Person, but excluding the Company and any subsidiary of the Company and any employee benefits plan (or related trust) sponsored or maintained by the

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CIC USEx. 10(a)

Company or any subsidiary of the Company (collectively, “Excluded Persons”), directly or indirectly, becomes the Beneficial Owner of securities of the Company representing thirty-five percent (35%) or more of the combined voting power of the Company’s then outstanding securities with respect to the election of directors of the Company and such ownership continues for at least a period of thirty (30) days (with the end of such period being deemed the effective date of the CIC); or

(ii)During any twenty-four (24) consecutive month period, the individuals who, at the beginning of such period, constitute the Board (the “Incumbent Directors”) cease for any reason other than death to constitute at least a majority of the Board; provided, however, that except as set forth in the following sentence, an individual who becomes a member of the Board subsequent to the beginning of the twenty-four (24) month period shall be deemed to have satisfied such twenty-four (24) month requirement (and be an Incumbent Director) if such director was elected by, or on the recommendation of or with the approval of, at least two-thirds (2/3) of the directors who then qualified as Incumbent Directors either actually (because they were directors at the beginning of such period) or by prior operation of the provisions of this Section 2(h)(ii). Notwithstanding the proviso set forth in the preceding sentence, if any such individual initially assumes office as a result of or in connection with either an actual or threatened solicitation with respect to the election of directors (as such terms are used in Rule 14a‑12(c) of Regulation 14A promulgated under the Exchange Act) or other actual or threatened solicitation of proxies or consents by or on behalf of a Person other than the Board, then such individual shall not be considered an Incumbent Director.  For purposes of this Section 2(h)(ii), if at any time individuals who initially assumed office as a result of or in connection with an arrangement or understanding between the Company and any Person (an “Entity Designee”) constitute at least one-half (1/2) of the Board, none of such Entity Designees shall be considered Incumbent Directors from that time forward; or

(iii)There is consummated:

(A)a plan of complete liquidation of the Company; or

(B)a sale or disposition of all or substantially all the Company’s assets in one or a series of related transactions; or

(C)a merger, consolidation, or reorganization of the Company or the acquisition of outstanding Common Stock and as a result of or in connection with such transaction (1) thirty-five percent (35%) or more of the outstanding Common Stock or the voting securities of the Company outstanding immediately prior thereto or the outstanding shares of common stock or the combined voting power of the outstanding voting securities of the surviving entity are owned, directly or indirectly, by any other corporation or Person other than (x) an Excluded Person or (y) a Person who is, or if such Person beneficially owned five percent (5%) or more of the outstanding Common Stock would be, eligible to report such Person’s beneficial ownership on Schedule 13G pursuant to the rules under Section 13(d) of the Exchange Act

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CIC USEx. 10(a)

or (z) a Person that has entered into an agreement with the Company pursuant to which such Person has agreed not to acquire additional voting securities of the Company (other than pursuant to the terms of such agreement), solicit proxies with respect to the Company’s voting securities or otherwise participate in any contest relating to the election of directors of the Company, or take other actions that could result in a Change in Control of the Company; provided that this exclusion shall apply only so long as such agreement shall remain in effect, or (2) the voting securities of the Company outstanding immediately prior thereto do not immediately after such transaction continue to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity) more than sixty percent (60%) of the combined voting power of the voting securities of the Company (or such surviving entity) outstanding immediately after such merger, consolidation, or reorganization.

(i) “Code” means the United States Internal Revenue Code of 1986, as amended.

(j) “Committee” means the Compensation Committee of the Board, or any other committee appointed by the Board to perform the functions of the Compensation Committee.

(k) “Company” means Weyerhaeuser Company, a Washington corporation (including any and all subsidiaries), or any successor thereto as provided in Article 10.

(l) “Disability” shall have the meaning ascribed to it in the Company’s Retirement Plan for Salaried Employees, or in any successor to such plan.

(m) “Effective Date” means the later of January 1, 2020 and the date this Agreement is fully executed by the parties hereto.

(n) “Effective Date of Termination” means the date on which a Qualifying Termination occurs that triggers the payment of Severance Benefits hereunder.

(o) “Equity Awards” means any awards made from time to time to the Executive of options to purchase the Company’s common stock (“Options”), restricted shares of the Company’s common stock, stock appreciation rights (“SARs”), stock units denominated in units of the Company’s common stock, performance shares, dividend equivalents, or other incentive awards payable in shares of the Company’s common stock under the terms of the LTIP.

(p) “Exchange Act” means the United States Securities Exchange Act of 1934, as amended.

(q) “Executive” means an executive officer who serves on the senior management team of the Company and who has been presented with and signed this Agreement.

(r) “Good Reason” shall mean, without the Executive’s express written consent, the occurrence of any one or more of the following events:

(i)A material reduction in the Executive’s authority, duties, or responsibilities existing immediately prior to the CIC;

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CIC USEx. 10(a)

(ii)Within two (2) years following a Change in Control, and without the Executive’s consent, the Company’s requiring the Executive to be based at a location that is at least fifty (50) miles farther from the Executive’s primary residence immediately prior to a Change in Control than is such residence from the Company’s headquarters immediately prior to a Change in Control, except for required travel on the Company’s business to an extent substantially consistent with the Executive’s business obligations as of the Effective Date;

(iii)A material reduction by the Company of the Executive’s Base Salary as in effect immediately prior to the CIC;

(iv)A material reduction in the benefits coverage in the aggregate provided to the Executive immediately prior to the CIC; provided, however, that reductions in the level of benefits coverage shall not be deemed to be “Good Reason” if the Executive’s overall benefits coverage is substantially consistent with the average level of benefits coverage of other executives who have positions commensurate with the Executive’s position at the acquiring company;

(v)A material reduction in the Executive’s level of participation, including the Executive’s target-level opportunities, in any of the Company’s short- and/or long-term incentive compensation plans in which the Executive participates as of the Effective Date (for this purpose a material reduction shall be deemed to have occurred if the aggregate “incentive opportunities” are reduced by ten percent (10%) or more); or a material increase in the relative difficulty of the measures used to determine the payouts under such plans; provided, however, that reductions in the levels of participation or increase in relative difficulty of payout measures shall not be deemed to be “Good Reason” if the Executive’s reduced level of participation or difficulty of measures in each such program remains substantially consistent with the level of participation or difficulty of the measures of some or all other executives who have positions commensurate with the Executive’s position at the acquiring company; or  

(vi)The failure of the Company to obtain a satisfactory agreement from any successor to the Company to assume and agree to perform this Agreement, as contemplated in Article 10.

Under this Agreement, Good Reason shall not be deemed to exist unless a “Change in Control” has occurred within the time frame described in Section 4.2. Moreover, in no event shall the Executive’s resignation be for Good Reason unless (A) an event set forth above shall have occurred and the Executive provides the Company with written notice thereof within thirty (30) days after the Executive has knowledge of the occurrence or existence of such event, which notice specifically identifies the event that the Executive believes constitutes Good Reason, and (B) the Company fails to correct the event so identified in all material respects within thirty (30) days after receipt of such notice.

(s) “LTIP” means the Weyerhaeuser Company 2013 Long-Term Incentive Plan, the Weyerhaeuser Company 2004 Long-Term Incentive Plan or any predecessor or successor long-term incentive plan under which Equity Awards have or may be granted to the Executive from time to time.

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CIC USEx. 10(a)

(t) “Non-Competition and Release Agreement” is an agreement, in substantially the form attached hereto in Annex A, executed by and between the Executive and the Company as a condition to the Executive’s receipt of the benefits described in Section 4.3.

(u) “Person” shall have the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, including a “group” as defined in Section 13(d).

(v) “Qualifying Termination” means any of the events described in Section 4.2, the occurrence of which triggers the payment of Severance Benefits under Section 4.3.

(w) “Retirement” shall mean early or normal retirement under the Company’s Retirement Plan for Salaried Employees.

(x) “Severance Agreement” means the Executive Severance Agreement between the Company and the Executive, as such agreement may be amended, supplemented or otherwise modified from time to time, or, if such agreement is no longer in effect, any successor agreement thereto.

(y) “Severance Benefits” means the Severance Benefits associated with a Qualifying Termination, as described in Section 4.3.

Article 3.Participation and Continuing Eligibility Under This Agreement

Subject to other terms of this Agreement, the Executive shall remain eligible to receive benefits hereunder during the term of this Agreement.

Article 4.Severance Benefits

4.1 Right to Severance Benefits. The Executive shall be entitled to receive from the Company Severance Benefits if:

(a) the Executive’s employment with the Company shall end for any reason specified in Section 4.2; and

(b) solely with respect to termination of Executive’s employment pursuant to 4.2(a), the Executive is not (i) offered employment by the Company or any subsidiary or affiliate of the Company whether in a salaried, hourly, temporary, or full-time capacity, or (ii) offered a contract to serve as a consultant or contractor by the Company or any subsidiary or affiliate of the Company, or (iii) offered employment or a contract to serve as a consultant or contractor by an entity acquiring the Company.

Receipt of Severance Benefits shall disqualify the Executive from eligibility to receive any other severance benefits from the Company, including, without limitation, those under the Severance Agreement.

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CIC USEx. 10(a)

4.2 Qualifying Termination. The occurrence of any one or more of the following events within twenty-four (24) full calendar months following the effective date of a CIC of the Company shall trigger the payment of Severance Benefits to the Executive under this Agreement:

(a) An involuntary termination of the Executive’s employment by the Company, authorized by the Authorizing Executive, for reasons other than for Cause, mandatory Retirement under the Company’s applicable policies, or the Executive’s death, Disability, or voluntary termination of employment (including voluntary Retirement) without Good Reason; or  

(b) a voluntary termination by the Executive for Good Reason.

4.3 Description of Severance Benefits. In the event that the Executive becomes entitled to receive Severance Benefits (and further contingent on the proper execution of the Non-Competition and Release Agreement as set forth in Section 4.8), as provided in Sections 4.1 and 4.2, the Company shall pay to the Executive and provide him with the following:

(a) An amount equal to two (2) times the highest rate of the Executive’s annualized Base Salary rate in effect at any time up to and including the Effective Date of Termination.

(b) An amount equal to two (2) times the Executive’s target annual bonus established for the bonus plan year in which the Executive’s Effective Date of Termination occurs (or, if higher, the target annual bonus established for the bonus plan year in which the CIC occurs).

(c) An amount equal to the Executive’s unpaid Base Salary and accrued vacation pay through the Executive’s last day of work.

(d) An amount equal to the Executive’s unpaid actual annual bonus, paid for the plan year in which the Executive’s Effective Date of Termination occurs, multiplied by a fraction, the numerator of which is the number of days completed in the then-existing fiscal year through the Effective Date of Termination and the denominator of which is three hundred sixty-five (365). Any payments hereunder are in lieu of any bonuses otherwise payable under the Company’s applicable annual incentive plans.

(e) A lump sum payment of seventy-five thousand dollars ($75,000) (net of required payroll and income tax withholding) in order to assist the Executive in paying for replacement health and welfare coverage for a reasonable period following the Executive’s Effective Date of Termination.

(f) Full vesting of the Executive’s benefits under any and all supplemental retirement plans in which the Executive participates. For purposes of determining the amount of an Executive’s benefits in such plans, such benefits shall be calculated under the assumption that the Executive’s employment continued following the Effective Date of Termination for two (2) full years (i.e., two (2) additional years of age and service credits shall be added); provided, however, that for purposes of determining “final average pay” under such programs, the Executive’s actual pay

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CIC USEx. 10(a)

history as of the effective date of termination shall be used. Payout of such amounts shall occur at the time established under such plans.

To the extent that the Executive is subject to a reduction of such benefits due to application of any early retirement provisions, the two (2) additional years of age shall be incorporated in the early retirement reduction calculation so as to offset such reduction. Also, two (2) additional years of age, but not any additional service, shall be used to determine the Executive’s eligibility for early retirement benefits.

(g) Unless otherwise provided in the instrument evidencing the Equity Award or in a written employment or other agreement between the Executive and the Company and subject to the requirements of Section 409A of the Code, to the extent applicable:

(i)Full vesting of any Equity Awards, which shall become immediately exercisable and remain exercisable throughout their entire term;

(ii)Termination or lapsing of any restriction periods and restrictions imposed on such Equity Awards that are not performance based;

(iii)Termination or lapsing of any restriction or other conditions applicable to any such Equity Awards and such Equity Awards shall become free of all restrictions, limitations or conditions and become fully vested and transferable to the full extent of the original grant; and

(iv)Recognition of the target payout opportunities attainable under all outstanding Equity Awards that are performance-based, which Equity Awards shall be deemed to have been fully earned for the entire performance periods and restrictions on such Equity Awards shall lapse and such Equity Awards shall be immediately settled or distributed.

4.4 Termination for Disability. Following a CIC of the Company, if the Executive’s employment is terminated due to Disability, no compensation or benefits shall be payable under this Agreement and the Executive shall instead receive his Base Salary through the Effective Date of Termination, at which point in time the Executive’s benefits shall be determined in accordance with the Company’s disability and other applicable compensation and benefits plans and programs then in effect.

4.5 Termination for Retirement or Death. Following a CIC of the Company, if the Executive’s employment is terminated by reason of his death or voluntary Retirement other than for Good Reason, no compensation or benefits shall be payable under this Agreement and the Executive’s benefits shall instead be determined in accordance with the Company’s retirement and other applicable compensation and benefits plans and programs then in effect.

4.6 Termination for Cause or by the Executive Other Than for Good Reason or Retirement. Following a CIC of the Company, if the Executive’s employment is terminated either (i) by the Company for Cause or (ii) by the Executive (other than for Disability or death) and other than for Good Reason, no compensation or benefits shall be payable under this Agreement and the

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CIC USEx. 10(a)

Executive’s benefits shall instead be determined in accordance with the Company’s applicable compensation and benefits plans and programs then in effect.

4.7 Notice of Termination. Any termination by the Company or by the Executive for Good Reason under this Article 4 shall be communicated by a Notice of Termination, which shall be delivered to the Executive (or to the Authorizing Executive, as applicable) no later than the Effective Date of Termination, unless the Executive is terminated for Cause, in which case no Notice of Termination is required. For purposes of this Agreement, a “Notice of Termination” shall mean a written notice that shall indicate the specific termination provision in this Agreement relied upon, and shall set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision so indicated.

4.8 Delivery of Non-Competition and Release Agreement. The payment of Severance Benefits is conditioned on the Executive’s timely execution of the Non-Competition and Release Agreement. The Company will deliver the Non-Competition and Release Agreement when it provides a Notice of Termination to the Executive or promptly following the Company’s receipt of a Notice of Termination from the Executive. The Non-Competition and Release Agreement shall be deemed effective upon the expiration of the required waiting periods under applicable state and/or federal laws as more specifically described therein.

To support the enforcement of the Non-Competition and Release Agreement, the parties agree that the minimum value of the Non-Competition and Release Agreement at the time this Agreement was entered into was at least two (2) times the Executive’s Base Salary that has been built into the severance formula in Section 4.3.  

4.9 Removal from Representative Boards.  In the event the terminating Executive occupies any board of directors seats solely as a Company representative, as a condition to receiving the severance set forth in Section 4.3 the Executive shall immediately resign such position upon Executive’s termination of employment with the Company and in any event by the deadline for returning the Non-Competition and Release Agreement described in Section 4.8, unless specifically requested in writing by the Company otherwise.

Article 5.Form and Timing of Severance Benefits

5.1 Form and Timing of Severance Benefits. The Severance Benefits described in Sections 4.3(a), 4.3(b), 4.3(c) and 4.3(e) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement referred to in Section 4.8, as soon as practicable following the Effective Date of Termination, but in no event beyond thirty (30) days from the later of the Effective Date of Termination and the successful expiration of the waiting periods described in Section 4.8 and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision).  The Severance Benefit described in Section 4.3(d) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.8, as soon as practicable following the end of the year in which the Executive’s Effective Date of Termination occurs and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), subject to any deferral election by the Executive under an available deferred compensation plan that is applicable to such amount.

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CIC USEx. 10(a)

5.2 Withholding of Taxes. The Company shall be entitled to withhold from any amounts payable under this Agreement all taxes as legally shall be required (including, without limitation, any United States federal taxes and any other state, city, or local taxes).

Article 6.The Company’s Payment Obligation

6.1 Payment Obligations Absolute. Except as provided in this Article 6 and Article 7, the Company’s obligation to make the payments and the arrangements provided for hereof shall be absolute and unconditional, and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim, recoupment, defense, or other right that the Company may have against the Executive or anyone else. All amounts payable by the Company hereunder shall be paid without notice or demand. Except as provided in this Article 6 and in Article 7, each and every payment made hereunder by the Company shall be final, and the Company shall not seek to recover all or any part of such payment from the Executive or from whosoever may be entitled thereto, for any reasons whatsoever.  

The Executive shall not be obligated to seek other employment in mitigation of the amounts payable or arrangements made under any provision of this Agreement, and the obtaining of any such other employment shall in no event effect any reduction of the Company’s obligations to make the payments and arrangements required to be made under this Agreement.

6.2 Contractual Rights to Benefits. Subject to Article 1 and Section 6.3, this Agreement establishes and vests in the Executive a contractual right to the benefits to which he may become entitled hereunder. However, nothing herein contained shall require or be deemed to require, or prohibit or be deemed to prohibit, the Company to segregate, earmark, or otherwise set aside any funds or other assets, in trust or otherwise, to provide for any payments to be made or required hereunder.

6.3 Forfeiture of Severance Benefits and Other Payments. Notwithstanding any other provision of this Agreement to the contrary, if it is determined by the Company that the Executive has violated any of the restrictive covenants contained in the Executive’s Non-Competition and Release Agreement, the Executive shall be required to repay to the Company an amount equal to the economic value of all Severance Benefits and other payments already provided to the Executive under this Agreement and the Executive shall forever forfeit the Executive’s rights to any unpaid Severance Benefits and other payments hereunder.  The Severance Benefits shall be subject to (a) forfeiture provisions in other agreements between the Executive and the Company, and (b) any recoupment, clawback or similar policy of the Company as it may be in effect from time to time, as well as any similar provisions of applicable law, any of which could in certain circumstances require repayment or forfeiture of previously paid compensation.

Article 7.Dispute Resolution

7.1 Claims Procedure.  The Executive may file a written claim with the Authorizing Executive, who shall consider such claim and notify the Executive in writing of his or her decision with respect thereto within ninety (90) days (or within such longer period not to exceed one hundred eighty (180) days, as the Authorizing Executive determines is necessary to review the claim, provided that the Authorizing Executive notifies the Executive in writing of the extension within the original ninety (90) day period).  If the claim is denied, in whole or in part, the Executive may appeal such denial to the Committee, provided the Executive does so in writing within sixty (60) days of

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CIC USEx. 10(a)

receiving the determination by the Authorizing Executive.  The Committee shall consider the appeal and notify the Executive in writing of its decision with respect thereto within sixty (60) days (or within such longer period not to exceed one hundred twenty (120) days as the Committee determines is necessary to review the appeal, provided that the Committee notifies the Executive in writing of the extension within the original sixty (60) day period).

7.2 Finality of Determination.  The determination of the Committee with respect to any question arising out of or in connection with the administration, interpretation, and application of this Agreement shall be final, binding, and conclusive on all persons and shall be given the greatest deference permitted by law.

Article 8.Outplacement Assistance

Following a Qualifying Termination (as described in Section 4.2) the Executive shall be reimbursed by the Company for the costs of all outplacement services incurred by the Executive within the two (2) year period after the Effective Date of Termination; provided, however, that the total reimbursement shall be limited to twenty thousand dollars ($20,000) and shall be completed by the end of the calendar year in which such two (2) year period expires.

Article 9.Section 409A

The Severance Benefits and reimbursements payable in cash to the Executive under this Agreement (including, without limitation, the Severance Benefits described in Sections 4.3(a), 4.3(b), 4.3(c), 4.3(d) and 4.3(e) of this Agreement) are intended to comply with the “short term deferral” exception specified in Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), or otherwise be excepted from coverage under Section 409A of the Code (“Section 409A”). Notwithstanding the foregoing, to the extent an exception is not available and the Executive must be treated as a “specified employee” within the meaning of Section 409A, any such amounts due to the Executive on or within the six (6) month period following the Executive’s separation from service (as defined for purposes of Section 409A) will accrue during such six (6) month period to the extent required by Section 409A and will become payable in a lump sum payment on the date six (6) months and one (1) day following the date of the Executive’s separation from service; provided, however, that such payments will be paid earlier, at the times and on the terms set forth in the applicable provisions of this Agreement, if the Company reasonably determines that the imposition of additional tax under Section 409A will not apply to an earlier payment of such payments. In addition, this Agreement will be interpreted, operated, and administered by the Company to the extent deemed reasonably necessary to avoid imposition of any additional tax or income recognition prior to actual payment to the Executive under Section 409A, including any temporary or final Treasury regulations and guidance promulgated thereunder.

Article 10.Successors and Assignment

10.1 Successors to the Company. The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation, or otherwise) of all or substantially all of the business and/or assets of the Company or of any division or subsidiary thereof to expressly assume and agree to perform the Company’s obligations under this Agreement in the same manner and to the same extent that the Company would be required to perform them if no such succession had taken place. Failure of the Company to obtain such assumption and agreement prior to the effective date of any such succession shall be a material breach of this Agreement and shall entitle the Executive to

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CIC USEx. 10(a)

compensation from the Company in the same amount and on the same terms as he would be entitled to hereunder if he had terminated his employment with the Company voluntarily for Good Reason. For the purposes of implementing the foregoing, the date on which any such succession becomes effective shall be deemed the Effective Date of Termination.

10.2 Assignment by the Executive. This Agreement shall inure to the benefit of and be enforceable by each Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees, and legatees. If the Executive dies while any amount would still be payable to him hereunder had he continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the Executive’s Beneficiary. If the Executive has not named a Beneficiary, then such amounts shall be paid to the Executive’s devisee, legatee, or other designee, or if there is no such designee, to the Executive’s estate.

Article 11.Miscellaneous

11.1 Employment Status. Except as may be provided under any other agreement between the Executive and the Company, the employment of the Executive by the Company is “at will” and, prior to the effective date of a CIC, may be terminated by either the Executive or the Company at any time, subject to applicable law.  

11.2 Beneficiaries. The Executive may designate one or more persons or entities as the primary and contingent Beneficiaries of any Severance Benefits owing to the Executive under this Agreement. Such designation must be in the form of a signed writing acceptable to the Committee and pursuant to such other procedures as the Committee may decide.  If no such designation is on file with the Company at the time of the Executive’s death, or if no designated Beneficiaries survive the Executive for more than fourteen (14) days, any Severance Benefits owing to the Executive under this Agreement shall be paid to the Executive’s estate.

11.3 Gender and Number. Except where otherwise indicated by the context, any masculine term used herein also shall include the feminine, the plural shall include the singular, and the singular shall include the plural.

11.4 Severability. In the event any provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of this Agreement, and this Agreement shall be construed and enforced as if the illegal or invalid provision had not been included. Further, the captions of this Agreement are not part of the provisions hereof and shall have no force and effect.

11.5 Modification. Except as provided in Article 1, no provision of this Agreement may be modified, waived, or discharged following a CIC unless such modification, waiver, or discharge is agreed to in writing and signed by the Executive and by an authorized member of the Committee, or by the respective parties’ legal representatives and successors.  

11.6 Effect of Agreement. This Agreement shall completely supersede and replace any and all portions of any contracts, plans, provisions, or practices pertaining to severance entitlements owing to the Executive from the Company other than the Severance Agreement, and is in lieu of any notice requirement, policy, or practice. As such, the Severance Benefits described herein shall serve as the Executive’s sole recourse with respect to termination of employment by the Company

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CIC USEx. 10(a)

following a CIC.  In addition, Severance Benefits shall not be counted as “compensation,” or any equivalent term, for purposes of determining benefits under other agreements, plans, provisions, or practices owing to the Executive from the Company, except to the extent expressly provided therein. Except as otherwise specifically provided for in this Agreement, the Executive’s rights under all such agreements, plans, provisions, and practices continue to be subject to the respective terms and conditions thereof.

11.7 Applicable Law. To the extent not preempted by the laws of the United States, the laws of the state of Washington shall be the controlling law in all matters relating to this Agreement.

IN WITNESS WHEREOF, the parties have executed this Agreement on the dates appearing below.

Weyerhaeuser CompanyExecutive

By: By:

Its: Name:

Date: Date:

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CIC USEx. 10(a)

ANNEX A

NON-COMPETITION AND RELEASE AGREEMENT

FOR THE EXECUTIVE CHANGE IN CONTROL AGREEMENT

1. Parties.

The parties to this Non-Competition and Release Agreement are: ____________________ (“Executive”) and WEYERHAEUSER COMPANY, a Washington corporation, and all successors thereto (“Company”).

2. Date.

The date of this Non-Competition and Release Agreement (this “Release Agreement”) is ______________, 20____ (the “Date of this Agreement”).

3. Recitals.

Executive’s employment with Company is ending.  Executive is a participant in the Weyerhaeuser Company Executive Change in Control Agreement (“CIC Agreement”) and is eligible for Severance Benefits under the CIC Agreement on condition Executive executes a non-competition and release agreement.  This Release Agreement sets forth the terms of Executive’s severance from Company.  

4. Defined Terms.

When defined terms from the CIC Agreement are used herein, they shall have the same definitions as provided in Article 2 of the CIC Agreement.

5. Termination of Employment.

Effective ______________, 20____, Executive’s employment with Company shall terminate (“Termination Date”).  As of the Termination Date, Executive resigns any and all board of director seats Executive occupied as a Company representative.  

6. Payments.

Upon expiration of the Revocation Period, defined below, without exercise of the right to revoke, Executive shall receive or be entitled to receive the Severance Benefits and other payments to the extent set forth in the CIC Agreement.  Such payments shall be subject to all terms and conditions of the CIC Agreement, including, but not limited to, the forfeiture provisions of Section 6.3 thereof.

7. Release.

Executive hereby releases Company, and all successors, subsidiaries, and affiliates of Company, and all officers, directors, employees, agents, and shareholders of Company, and each of them, from any and all claims, liability, demands, rights, damages, costs, attorneys’ fees, and

A-1

CIC USEx. 10(a)

expenses of whatever nature, that exist as of the date of execution of this Release Agreement, whether known or unknown, foreseen or unforeseen, asserted or unasserted, including, but not limited to, all claims arising out of Executive’s employment and/or Executive’s termination from employment, and including all claims arising out of applicable state and federal laws, Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act, the Americans with Disabilities Act, the Employee Retirement Income Security Act of 1974, state and federal Family Leave Acts, and any other applicable tort, contract, or other common law theories.  

8. Confidentiality Agreement.

8.1Company’s Confidential Information.  During the course of performing Executive’s duties as a Company employee, Executive was exposed to and acquired Company’s Confidential Information.  As used herein, “Confidential Information” refers to any and all information of a confidential, proprietary, or trade secret nature that is maintained in confidence by Company for the protection of its business.  Confidential Information includes, but is not limited to, Company’s information about or related to (i) any current or planned products; (ii) research and development or investigations related to prospective products; (iii) proprietary software, inventions, and systems; (iv) suppliers or customers; (v) cost information, profits, sales information and accounting and unpublished financial information; (vi) business and marketing plans and methods; and (vii) any other information not generally known to the public that , if misused or disclosed to a competitor, could reasonably be expected to adversely affect Company.

8.2Nondisclosure of Confidential Information.  Executive acknowledges that the Confidential Information is a special, valuable, and unique asset of Company.  Executive agrees to keep in confidence and trust all Confidential Information for so long as such information is not generally known to the public or to persons outside Company who could obtain economic value from its use.  Executive agrees that Executive shall not directly or indirectly use the Confidential Information for the benefit of Executive or any other person or entity.

9. Nonsolicitation.

9.1 Nonsolicitation of Employees.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any employee of Company, any successor corporation, or a subsidiary of Company to work for Executive or any competing company or competing business organization.

9.2Nonsolicitation of Customers and Vendors.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any customer, vendor, or supplier of Company to end its relationship with Company and/or conduct business with Executive or any entity in which Executive has a financial interest.  

10. Noncompetition.

Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly, whether as an employee, officer, director, shareholder, agent, or consultant, engage or participate in any business that competes with Company, provided that nothing in this Section 10 shall preclude Executive from (i) performing any services on behalf of an investment banking, commercial banking, auditing, or consulting firm or (ii) investing five percent (5%) or less in the common stock of any publicly traded company, provided such investment

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CIC USEx. 10(a)

does not give Executive the right or ability to control or influence the policy decisions of any competing business.  

11. Review and Rescission Rights.

Executive has forty-five (45) days from the Date of this Agreement (the “Review Period”) within which to decide whether to sign this Release Agreement.  If Executive signs this Release Agreement, Executive may revoke this Release Agreement if, within seven (7) days after signing (the “Revocation Period”), Executive delivers notice in writing to an Executive Compensation Manager of Company.  

This Release Agreement will not become effective, and the Severance Benefits dependent on the execution of this Release Agreement will not become payable, until this Release Agreement is signed, the Revocation Period expires, and Executive has not exercised the right to revoke this Release Agreement.

Executive may sign this Release Agreement prior to the end of the forty-five (45) day Review Period, thereby commencing the seven (7) day Revocation Period.  Whether Executive decides to sign before the end of the Review Period is entirely up to Executive.  

Executive will receive the same severance payments regardless of when Executive signs this Release Agreement, as long as Executive signs prior to the end of the Review Period and does not revoke this Release Agreement.

Executive acknowledges that Executive’s release of rights is in exchange for Severance Benefits to which Executive otherwise legally would not be entitled.  

12. Advice of Counsel.

Executive acknowledges that Executive has been advised to consult with an attorney before signing this Release Agreement.

13. Disputes.

Any dispute or claim that arises out of or relates to this Release Agreement shall be resolved in accordance with the provisions of Article 7 of the CIC Agreement.  Notwithstanding the provisions of this Section 13, any claim by Company for injunctive relief under the provisions of Section 8, 9, or 10 herein, or any subparts thereof, shall not be subject to the terms of this Section 13.

14. Governing Law; Venue.

To the extent not preempted by the laws of the United States, Washington law governs this Release Agreement, notwithstanding its choice of law rules. Each of the parties submits to the exclusive jurisdiction of any state or federal court sitting in King County, Washington in any action or dispute arising out of or relating to this Release Agreement and agrees that all claims in respect of such action or dispute may be heard and determined in any such court.  Each party also agrees not to bring any action or proceeding arising out of or relating to this Release Agreement in any other court.  Each of the parties waives any defense of inconvenient forum to the maintenance of any action or

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CIC USEx. 10(a)

dispute so brought and waives any bond, surety, or other security that might be required of any other party with respect thereto.

15. Entire Agreement.

All of the parties’ agreements, covenants, representations, and warranties, express or implied, oral or written, concerning the subject matter of this Release Agreement are contained in this Release Agreement.  All prior and contemporaneous conversations, negotiations, agreements, representations, covenants, and warranties concerning the subject matter of this Release Agreement are merged into this Release Agreement.  This is an integrated agreement.

16. Miscellaneous.

The benefits and obligations of this Release Agreement shall inure to the successors and assigns of the parties.  The parties acknowledge that the only consideration for this Release Agreement is the consideration expressly described herein, that each party fully understands the meaning and intent of this Release Agreement, that this Release Agreement has been executed voluntarily, and that the terms of this Release Agreement are contractual.  

17. Severability.

Executive agrees that each provision in this Release Agreement will be treated as a separate and independent clause, and the enforceability of any one clause will in no way impair the enforceability of any of the other clauses in this Release Agreement.  Moreover, if one or more of the provisions contained in this Release Agreement, whether for the benefit of Executive or Company, are for any reason held to be excessively broad as to scope, activity, or subject so as to be unenforceable at law, such provision or provisions will be construed by limiting and reducing it or them, so as to be enforceable to the maximum extent compatible with the applicable law as it then appears.  

18. Section and Paragraph Titles.

Section and paragraph titles in this Release Agreement are used for convenience only and are not intended to and shall not in any way enlarge, define, limit, or extend the rights or obligations of the parties or affect the interpretation of this Release Agreement.

WEYERHAEUSER COMPANY

By:Date:_________________

Title:

[Name]________________________________

______________________________________Date:_________________

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EX-10.(B)

CIC USEx.10(b)

Chief Executive Officer
Change in Control Agreement

Weyerhaeuser Company

CIC USEx.10(b)

Contents

Article 1. Term of This Agreement1

Article 2. Definitions1

Article 3. Participation and Continuing Eligibility Under This Agreement6

Article 4. Severance Benefits6

Article 5. Form and Timing of Severance Benefits9

Article 6. The Company’s Payment Obligation9

Article 7. Dispute Resolution10

Article 8. Outplacement Assistance11

Article 9. Section 409A11

Article 10. Successors and Assignment11

Article 11. Miscellaneous12

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CIC USEx.10(b)

Weyerhaeuser CompanyDevin W. Stockfish(Executive)Executive Change in Control Agreement

THIS EXECUTIVE CHANGE IN CONTROL AGREEMENT is made and entered into by and between Weyerhaeuser Company (hereinafter referred to as the “Company”) and Devin W. Stockfish.

WHEREAS, should the possibility of a Change in Control of the Company arise, the Board of Directors believes it is imperative that the Company and the Board should be able to rely on the Executive to continue in his position, and that the Company should be able to receive and rely on the Executive’s advice, if requested, as to the best interests of the Company and its shareholders without concern that the Executive might be distracted by the personal uncertainties and risks created by the possibility of a Change in Control; and

WHEREAS, should the possibility of a Change in Control arise, in addition to the Executive’s regular duties, the Executive may be called upon to assist in the assessment of such possible Change in Control, advise management and the Board as to whether such Change in Control would be in the best interests of the Company and its shareholders, and to take such other actions as the Board might determine to be appropriate.

NOW THEREFORE, to assure the Company that it will have the continued dedication of the Executive and the availability of his advice and counsel notwithstanding the possibility, threat, or occurrence of a Change in Control of the Company, and to induce the Executive to remain in the employ of the Company, and for other good and valuable consideration, the Company and the Executive agree as follows:

Article 1.Term of This Agreement

This Agreement shall commence on the Effective Date and shall terminate on December 31, 2022; provided, however, that commencing on December 31, 2022 and each December 31 thereafter, the term of this Agreement shall be automatically extended for one additional year unless, not later than thirty (30) calendar days prior to such December 31, the Company or Executive shall have given notice that such party does not wish to extend the term of this Agreement.  

However, in the event a Change in Control occurs during the term of this Agreement, this Agreement will remain in effect for the longer of (i) twenty-four (24) full calendar months beyond the month in which such Change in Control occurred or (ii) until all obligations of the Company to the Executive hereunder have been fulfilled, and until all benefits required hereunder have been paid to the Executive.

Article 2.Definitions

Whenever used in this Agreement, the following terms shall have the meanings set forth below and, when the meaning is intended, the initial letter of the word is capitalized:

(a) “Agreement” means this Executive Change in Control Agreement.

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CIC USEx.10(b)

(b) “Base Salary” means the salary of record paid to the Executive as annual salary, excluding amounts received under incentive or other bonus plans, whether or not deferred.

(c) “Beneficial Owner” shall have the meaning ascribed to such term in Rule 13d-3 of the General Rules and Regulations under the Exchange Act.

(d) “Beneficiary” means the persons or entities designated or deemed designated by an Executive pursuant to Section 11.2.

(e) “Board” means the Board of Directors of the Company.

(f) “Cause” means the Executive’s:

(i)Willful and continued failure to perform substantially the Executive’s duties with the Company after the Company delivers to the Executive written demand for substantial performance specifically identifying the manner in which the Executive has not substantially performed the Executive’s duties;

(ii)Conviction of a felony; or

(iii)Willfully engaging in illegal conduct or gross misconduct that is materially and demonstrably injurious to the Company.

For purposes of this Section 2(f), no act or omission by the Executive shall be considered “willful” unless it is done or omitted in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests of the Company. Any act or failure to act based on: (A) authority given pursuant to a resolution duly adopted by the Board or (B) advice of counsel for the Company shall be conclusively presumed to be done or omitted to be done by the Executive in good faith and in the best interests of the Company. For purposes of subsections (i) and (iii) above, the Executive shall not be deemed to be terminated for Cause unless and until there shall have been delivered to the Executive a copy of a resolution duly adopted by the affirmative vote of not less than three-quarters (3/4) of the entire membership of the Board at a meeting called and held for such purpose (after reasonable notice is provided to the Executive and the Executive is given an opportunity, together with counsel, to be heard before the Board) finding that in the good faith opinion of the Board, the Executive is guilty of the conduct described in subsection (i) or (iii) above and specifying the particulars thereof in detail.

(g) “Change in Control” or “CIC” of the Company shall be deemed to have occurred as of the first day that any one or more of the following conditions shall have been satisfied:

(i)Any Person, but excluding the Company and any subsidiary of the Company and any employee benefits plan (or related trust) sponsored or maintained by the Company or any subsidiary of the Company (collectively, “Excluded Persons”), directly or indirectly, becomes the Beneficial Owner of securities of the Company representing thirty-five percent (35%) or more of the combined voting power of the Company’s then outstanding securities with respect to the election of directors of the Company and such ownership continues for at least a period of

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CIC USEx.10(b)

thirty (30) days (with the end of such period being deemed the effective date of the CIC); or

(ii)During any twenty-four (24) consecutive month period, the individuals who, at the beginning of such period, constitute the Board (the “Incumbent Directors”) cease for any reason other than death to constitute at least a majority of the Board; provided, however, that except as set forth in the following sentence, an individual who becomes a member of the Board subsequent to the beginning of the twenty-four (24) month period shall be deemed to have satisfied such twenty-four (24) month requirement (and be an Incumbent Director) if such director was elected by, or on the recommendation of or with the approval of, at least two-thirds (2/3) of the directors who then qualified as Incumbent Directors either actually (because they were directors at the beginning of such period) or by prior operation of the provisions of this Section 2(g)(ii). Notwithstanding the proviso set forth in the preceding sentence, if any such individual initially assumes office as a result of or in connection with either an actual or threatened solicitation with respect to the election of directors (as such terms are used in Rule 14a‑12(c) of Regulation 14A promulgated under the Exchange Act) or other actual or threatened solicitation of proxies or consents by or on behalf of a Person other than the Board, then such individual shall not be considered an Incumbent Director.  For purposes of this Section 2(g)(ii), if at any time individuals who initially assumed office as a result of or in connection with an arrangement or understanding between the Company and any Person (an “Entity Designee”) constitute at least one-half (1/2) of the Board, none of such Entity Designees shall be considered Incumbent Directors from that time forward; or

(iii)There is consummated:

(A)a plan of complete liquidation of the Company; or

(B)a sale or disposition of all or substantially all the Company’s assets in one or a series of related transactions; or

(C)a merger, consolidation, or reorganization of the Company or the acquisition of outstanding Common Stock and as a result of or in connection with such transaction (1) thirty-five percent (35%) or more of the outstanding Common Stock or the voting securities of the Company outstanding immediately prior thereto or the outstanding shares of common stock or the combined voting power of the outstanding voting securities of the surviving entity are owned, directly or indirectly, by any other corporation or Person other than (x) an Excluded Person or (y) a Person who is, or if such Person beneficially owned five percent (5%) or more of the outstanding Common Stock would be, eligible to report such Person’s beneficial ownership on Schedule 13G pursuant to the rules under Section 13(d) of the Exchange Act or (z) a Person that has entered into an agreement with the Company pursuant to which such Person has agreed not to acquire additional voting securities of the Company (other than pursuant to the terms of such agreement), solicit proxies with respect to the Company’s voting securities or otherwise participate in any contest relating to the election of directors of the Company,

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CIC USEx.10(b)

or take other actions that could result in a Change in Control of the Company; provided that this exclusion shall apply only so long as such agreement shall remain in effect, or (2) the voting securities of the Company outstanding immediately prior thereto do not immediately after such transaction continue to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity) more than sixty percent (60%) of the combined voting power of the voting securities of the Company (or such surviving entity) outstanding immediately after such merger, consolidation, or reorganization.

(h) “Code” means the United States Internal Revenue Code of 1986, as amended.

(i) “Committee” means the Compensation Committee of the Board, or any other committee appointed by the Board to perform the functions of the Compensation Committee.

(j) “Company” means Weyerhaeuser Company, a Washington corporation (including any and all subsidiaries), or any successor thereto as provided in Article 10.

(k) “Disability” shall have the meaning ascribed to it in the Company’s Retirement Plan for Salaried Employees, or in any successor to such plan.

(l) “Effective Date” means the later of January 1, 2020 and the date this Agreement is fully executed by the parties hereto.

(m) “Effective Date of Termination” means the date on which a Qualifying Termination occurs that triggers the payment of Severance Benefits hereunder.

(n) “Equity Awards” means any awards made from time to time to the Executive of options to purchase the Company’s common stock (“Options”), restricted shares of the Company’s common stock, stock appreciation rights (“SARs”), stock units denominated in units of the Company’s common stock, performance shares, dividend equivalents, or other incentive awards payable in shares of the Company’s common stock under the terms of the LTIP.

(o) “Exchange Act” means the United States Securities Exchange Act of 1934, as amended.

(p) “Executive” means an executive officer of the Company who serves on the senior management team and who has been presented with and signed this Agreement.

(q) “Good Reason” shall mean, without the Executive’s express written consent, the occurrence of any one or more of the following events:

(i)A material reduction in the Executive’s authority, duties, or responsibilities existing immediately prior to the CIC;

(ii)Within two (2) years following a Change in Control, and without the Executive’s consent, the Company’s requiring the Executive to be based at a location that is at least fifty (50) miles farther from the Executive’s primary residence immediately prior to a Change in Control than is such residence from the Company’s headquarters immediately prior to a Change in Control, except for

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CIC USEx.10(b)

required travel on the Company’s business to an extent substantially consistent with the Executive’s business obligations as of the Effective Date;

(iii)A material reduction by the Company of the Executive’s Base Salary as in effect immediately prior to the CIC;

(iv)A material reduction in the benefits coverage in the aggregate provided to the Executive immediately prior to the CIC; provided, however, that reductions in the level of benefits coverage shall not be deemed to be “Good Reason” if the Executive’s overall benefits coverage is substantially consistent with the average level of benefits coverage of other executives who have positions commensurate with the Executive’s position at the acquiring company;

(v)A material reduction in the Executive’s level of participation, including the Executive’s target-level opportunities, in any of the Company’s short- and/or long-term incentive compensation plans in which the Executive participates as of the Effective Date (for this purpose a material reduction shall be deemed to have occurred if the aggregate “incentive opportunities” are reduced by ten percent (10%) or more); or a material increase in the relative difficulty of the measures used to determine the payouts under such plans; provided, however, that reductions in the levels of participation or increase in relative difficulty of payout measures shall not be deemed to be “Good Reason” if the Executive’s reduced level of participation or difficulty of measures in each such program remains substantially consistent with the level of participation or difficulty of the measures of some or all other executives who have positions commensurate with the Executive’s position at the acquiring company; or  

(vi)The failure of the Company to obtain a satisfactory agreement from any successor to the Company to assume and agree to perform this Agreement, as contemplated in Article 10.

Under this Agreement, Good Reason shall not be deemed to exist unless a “Change in Control” has occurred within the time frame described in Section 4.2. Moreover, in no event shall the Executive’s resignation be for Good Reason unless (A) an event set forth above shall have occurred and the Executive provides the Company with written notice thereof within thirty (30) days after the Executive has knowledge of the occurrence or existence of such event, which notice specifically identifies the event that the Executive believes constitutes Good Reason, and (B) the Company fails to correct the event so identified in all material respects within thirty (30) days after receipt of such notice.

(r) “LTIP” means the Weyerhaeuser Company 2013 Long-Term Incentive Plan, the Weyerhaeuser Company 2004 Long-Term Incentive Plan or any predecessor or successor long-term incentive plan under which Equity Awards have or may be granted to the Executive from time to time.

(s) “Non-Competition and Release Agreement” is an agreement, in substantially the form attached hereto in Annex A, executed by and between the Executive and the Company as a condition to the Executive’s receipt of the benefits described in Section 4.3.

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CIC USEx.10(b)

(t) “Person” shall have the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, including a “group” as defined in Section 13(d).

(u) “Qualifying Termination” means any of the events described in Section 4.2, the occurrence of which triggers the payment of Severance Benefits under Section 4.3.

(v) “Retirement” shall mean early or normal retirement under the Company’s Retirement Plan for Salaried Employees.

(w) “Severance Agreement” means the Executive Severance Agreement between the Company and the Executive, as such agreement may be amended, supplemented or otherwise modified from time to time, or, if such agreement is no longer in effect, any successor agreement thereto.

(x) “Severance Benefits” means the Severance Benefits associated with a Qualifying Termination, as described in Section 4.3.

Article 3.Participation and Continuing Eligibility Under This Agreement

Subject to other terms of this Agreement, the Executive shall remain eligible to receive benefits hereunder during the term of this Agreement.

Article 4.Severance Benefits

4.1 Right to Severance Benefits. The Executive shall be entitled to receive from the Company Severance Benefits if:

(a) the Executive’s employment with the Company shall end for any reason specified in Section 4.2; and

(b) solely with respect to termination of Executive’s employment pursuant to 4.2(a), the Executive is not (i) offered employment by the Company or any subsidiary or affiliate of the Company whether in a salaried, hourly, temporary, or full-time capacity, or (ii) offered a contract to serve as a consultant or contractor by the Company or any subsidiary or affiliate of the Company, or (iii) offered employment or a contract to serve as a consultant or contractor by an entity acquiring the Company.

Receipt of Severance Benefits shall disqualify the Executive from eligibility to receive any other severance benefits from the Company, including, without limitation, those under the Severance Agreement.

4.2 Qualifying Termination. The occurrence of any one or more of the following events within twenty-four (24) full calendar months following the effective date of a CIC of the Company shall trigger the payment of Severance Benefits to the Executive under this Agreement:

(a) An involuntary termination of the Executive’s employment by the Company, authorized by the Company’s Senior Vice President overseeing Human Resources,

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CIC USEx.10(b)

for reasons other than for Cause, mandatory Retirement under the Company’s applicable policies, or the Executive’s death, Disability, or voluntary termination of employment (including voluntary Retirement) without Good Reason;or

(b) a voluntary termination by the Executive for Good Reason.

4.3 Description of Severance Benefits. In the event that the Executive becomes entitled to receive Severance Benefits (and further contingent on the proper execution of the Non-Competition and Release Agreement as set forth in Section 4.8), as provided in Sections 4.1 and 4.2, the Company shall pay to the Executive and provide him with the following:

(a) An amount equal to three (3) times the highest rate of the Executive’s annualized Base Salary rate in effect at any time up to and including the Effective Date of Termination.

(b) An amount equal to three (3) times the Executive’s target annual bonus established for the bonus plan year in which the Executive’s Effective Date of Termination occurs (or, if higher, the target annual bonus established for the bonus plan year in which the CIC occurs).

(c) An amount equal to the Executive’s unpaid Base Salary and accrued vacation pay through the Executive’s last day of work.

(d) An amount equal to the Executive’s unpaid actual annual bonus, paid for the plan year in which the Executive’s Effective Date of Termination occurs, multiplied by a fraction, the numerator of which is the number of days completed in the then-existing fiscal year through the Effective Date of Termination and the denominator of which is three hundred sixty-five (365). Any payments hereunder are in lieu of any bonuses otherwise payable under the Company’s applicable annual incentive plans.

(e) A lump sum payment of seventy-five thousand dollars ($75,000) (net of required payroll and income tax withholding) in order to assist the Executive in paying for replacement health and welfare coverage for a reasonable period following the Executive’s Effective Date of Termination.

(f) Full vesting of the Executive’s benefits under any and all supplemental retirement plans in which the Executive participates. For purposes of determining the amount of an Executive’s benefits in such plans, such benefits shall be calculated under the assumption that the Executive’s employment continued following the Effective Date of Termination for three (3) full years (i.e., three (3) additional years of age and service credits shall be added); provided, however, that for purposes of determining “final average pay” under such programs, the Executive’s actual pay history as of the effective date of termination shall be used. Payout of such amounts shall occur at the time established under such plans.

To the extent that the Executive is subject to a reduction of such benefits due to application of any early retirement provisions, the three (3) additional years of age shall be incorporated in the early retirement reduction calculation so as to offset

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CIC USEx.10(b)

such reduction. Also, three (3) additional years of age, but not any additional service, shall be used to determine the Executive’s eligibility for early retirement benefits.

(g) Unless otherwise provided in the instrument evidencing the Equity Award or in a written employment or other agreement between the Executive and the Company and subject to the requirements of Section 409A of the Code, to the extent applicable:

(i)Full vesting of any Equity Awards, which shall become immediately exercisable and remain exercisable throughout their entire term;

(ii)Termination or lapsing of any restriction periods and restrictions imposed on such Equity Awards that are not performance based;

(iii)Termination or lapsing of any restriction or other conditions applicable to any such Equity Awards and such Equity Awards shall become free of all restrictions, limitations or conditions and become fully vested and transferable to the full extent of the original grant; and

(iv)Recognition of the target payout opportunities attainable under all outstanding Equity Awards that are performance-based, which Equity Awards shall be deemed to have been fully earned for the entire performance periods and restrictions on such Equity Awards shall lapse and such Equity Awards shall be immediately settled or distributed.

4.4 Termination for Disability. Following a CIC of the Company, if the Executive’s employment is terminated due to Disability, no compensation or benefits shall be payable under this Agreement and the Executive shall instead receive his Base Salary through the Effective Date of Termination, at which point in time the Executive’s benefits shall be determined in accordance with the Company’s disability and other applicable compensation and benefits plans and programs then in effect.

4.5 Termination for Retirement or Death. Following a CIC of the Company, if the Executive’s employment is terminated by reason of his death or voluntary Retirement other than for Good Reason, no compensation or benefits shall be payable under this Agreement and the Executive’s benefits shall instead be determined in accordance with the Company’s retirement and other applicable compensation and benefits plans and programs then in effect.

4.6 Termination for Cause or by the Executive Other Than for Good Reason or Retirement. Following a CIC of the Company, if the Executive’s employment is terminated either (i) by the Company for Cause or (ii) by the Executive (other than for Disability or death) and other than for Good Reason, no compensation or benefits shall be payable under this Agreement and the Executive’s benefits shall instead be determined in accordance with the Company’s applicable compensation and benefits plans and programs then in effect.

4.7 Notice of Termination. Any termination by the Company or by the Executive for Good Reason under this Article 4 shall be communicated by a Notice of Termination, which shall be delivered to the Executive (or to the Senior Vice President overseeing Human Resources, as

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CIC USEx.10(b)

applicable) no later than the Effective Date of Termination, unless the Executive is terminated for Cause, in which case no Notice of Termination is required. For purposes of this Agreement, a “Notice of Termination” shall mean a written notice that shall indicate the specific termination provision in this Agreement relied upon, and shall set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision so indicated.

4.8 Delivery of Non-Competition and Release Agreement. The payment of Severance Benefits is conditioned on the Executive’s timely execution of the Non-Competition and Release Agreement. The Company will deliver the Non-Competition and Release Agreement when it provides a Notice of Termination to the Executive or promptly following the Company’s receipt of a Notice of Termination from the Executive. The Non-Competition and Release Agreement shall be deemed effective upon the expiration of the required waiting periods under applicable state and/or federal laws as more specifically described therein.

To support the enforcement of the Non-Competition and Release Agreement, the parties agree that the minimum value of the Non-Competition and Release Agreement at the time this Agreement was entered into was at least three (3) times the Executive’s Base Salary that has been built into the severance formula in Section 4.3.  

4.9 Removal from Representative Boards.  In the event the terminating Executive occupies any board of directors seats solely as a Company representative, as a condition to receiving the severance set forth in Section 4.3 the Executive shall immediately resign such position upon Executive’s termination of employment with the Company and in any event by the deadline for returning the Non-Competition and Release Agreement described in Section 4.8, unless specifically requested in writing by the Company otherwise.

Article 5.Form and Timing of Severance Benefits

5.1 Form and Timing of Severance Benefits. The Severance Benefits described in Sections 4.3(a), 4.3(b), 4.3(c) and 4.3(e) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement referred to in Section 4.8, as soon as practicable following the Effective Date of Termination, but in no event beyond thirty (30) days from the later of the Effective Date of Termination and the successful expiration of the waiting periods described in Section 4.8 and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision).  The Severance Benefit described in Section 4.3(d) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.8, as soon as practicable following the end of the year in which the Executive’s Effective Date of Termination occurs and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), subject to any deferral election by the Executive under an available deferred compensation plan that is applicable to such amount.

5.2 Withholding of Taxes. The Company shall be entitled to withhold from any amounts payable under this Agreement all taxes as legally shall be required (including, without limitation, any United States federal taxes and any other state, city, or local taxes).

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CIC USEx.10(b)

Article 6.The Company’s Payment Obligation

6.1 Payment Obligations Absolute. Except as provided in this Article 6 and Article 7, the Company’s obligation to make the payments and the arrangements provided for hereof shall be absolute and unconditional, and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim, recoupment, defense, or other right that the Company may have against the Executive or anyone else. All amounts payable by the Company hereunder shall be paid without notice or demand. Except as provided in this Article 6 and in Article 7, each and every payment made hereunder by the Company shall be final, and the Company shall not seek to recover all or any part of such payment from the Executive or from whosoever may be entitled thereto, for any reasons whatsoever.  

The Executive shall not be obligated to seek other employment in mitigation of the amounts payable or arrangements made under any provision of this Agreement, and the obtaining of any such other employment shall in no event effect any reduction of the Company’s obligations to make the payments and arrangements required to be made under this Agreement.

6.2 Contractual Rights to Benefits. Subject to Article 1 and Section 6.3, this Agreement establishes and vests in the Executive a contractual right to the benefits to which he may become entitled hereunder. However, nothing herein contained shall require or be deemed to require, or prohibit or be deemed to prohibit, the Company to segregate, earmark, or otherwise set aside any funds or other assets, in trust or otherwise, to provide for any payments to be made or required hereunder.

6.3 Forfeiture of Severance Benefits and Other Payments. Notwithstanding any other provision of this Agreement to the contrary, if it is determined by the Company that the Executive has violated any of the restrictive covenants contained in the Executive’s Non-Competition and Release Agreement, the Executive shall be required to repay to the Company an amount equal to the economic value of all Severance Benefits and other payments already provided to the Executive under this Agreement and the Executive shall forever forfeit the Executive’s rights to any unpaid Severance Benefits and other payments hereunder.  The Severance Benefits shall be subject to (a) forfeiture provisions in any other agreements between the Executive and the Company, and (b) any recoupment, clawback or similar policy of the Company as it may be in effect from time to time, as well as any similar provisions of applicable law, any of which could in certain circumstances require repayment or forfeiture of previously paid compensation.

Article 7.Dispute Resolution

7.1 Claims Procedure.  The Executive may file a written claim with the Company’s Senior Vice President overseeing Human Resources, who shall consider such claim and notify the Executive in writing of his or her decision with respect thereto within ninety (90) days (or within such longer period not to exceed one hundred eighty (180) days, as the Senior Vice President overseeing Human Resources determines is necessary to review the claim, provided that the Senior Vice President overseeing Human Resources notifies the Executive in writing of the extension within the original ninety (90) day period).  If the claim is denied, in whole or in part, the Executive may appeal such denial to the Committee, provided the Executive does so in writing within sixty (60) days of receiving the determination by the Senior Vice President overseeing Human Resources.  The Committee shall consider the appeal and notify the Executive in writing of its decision with respect thereto within sixty (60) days (or within such longer period not to exceed one hundred twenty (120)

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CIC USEx.10(b)

days as the Committee determines is necessary to review the appeal, provided that the Committee notifies the Executive in writing of the extension within the original sixty (60) day period).

7.2 Finality of Determination.  The determination of the Committee with respect to any question arising out of or in connection with the administration, interpretation, and application of this Agreement shall be final, binding, and conclusive on all persons and shall be given the greatest deference permitted by law.

Article 8.Outplacement Assistance

Following a Qualifying Termination (as described in Section 4.2) the Executive shall be reimbursed by the Company for the costs of all outplacement services incurred by the Executive within the two (2) year period after the Effective Date of Termination; provided, however, that the total reimbursement shall be limited to twenty thousand dollars ($20,000) and shall be completed by the end of the calendar year in which such two (2) year period expires.

Article 9.Section 409A

The Severance Benefits and reimbursements payable in cash to the Executive under this Agreement (including, without limitation, the Severance Benefits described in Sections 4.3(a), 4.3(b), 4.3(c), 4.3(d) and 4.3(e) of this Agreement) are intended to comply with the “short term deferral” exception specified in Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), or otherwise be excepted from coverage under Section 409A of the Code (“Section 409A”). Notwithstanding the foregoing, to the extent an exception is not available and the Executive must be treated as a “specified employee” within the meaning of Section 409A, any such amounts due to the Executive on or within the six (6) month period following the Executive’s separation from service (as defined for purposes of Section 409A) will accrue during such six (6) month period to the extent required by Section 409A and will become payable in a lump sum payment on the date six (6) months and one (1) day following the date of the Executive’s separation from service; provided, however, that such payments will be paid earlier, at the times and on the terms set forth in the applicable provisions of this Agreement, if the Company reasonably determines that the imposition of additional tax under Section 409A will not apply to an earlier payment of such payments. In addition, this Agreement will be interpreted, operated, and administered by the Company to the extent deemed reasonably necessary to avoid imposition of any additional tax or income recognition prior to actual payment to the Executive under Section 409A, including any temporary or final Treasury regulations and guidance promulgated thereunder.

Article 10.Successors and Assignment

10.1 Successors to the Company. The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation, or otherwise) of all or substantially all of the business and/or assets of the Company or of any division or subsidiary thereof to expressly assume and agree to perform the Company’s obligations under this Agreement in the same manner and to the same extent that the Company would be required to perform them if no such succession had taken place. Failure of the Company to obtain such assumption and agreement prior to the effective date of any such succession shall be a material breach of this Agreement and shall entitle the Executive to compensation from the Company in the same amount and on the same terms as he would be entitled to hereunder if he had terminated his employment with the Company voluntarily for Good Reason.

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CIC USEx.10(b)

For the purposes of implementing the foregoing, the date on which any such succession becomes effective shall be deemed the Effective Date of Termination.

10.2 Assignment by the Executive. This Agreement shall inure to the benefit of and be enforceable by each Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees, and legatees. If the Executive dies while any amount would still be payable to him hereunder had he continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the Executive’s Beneficiary. If the Executive has not named a Beneficiary, then such amounts shall be paid to the Executive’s devisee, legatee, or other designee, or if there is no such designee, to the Executive’s estate.

Article 11.Miscellaneous

11.1 Employment Status. Except as may be provided under any other agreement between the Executive and the Company, the employment of the Executive by the Company is “at will” and, prior to the effective date of a CIC, may be terminated by either the Executive or the Company at any time, subject to applicable law.  

11.2 Beneficiaries. The Executive may designate one or more persons or entities as the primary and contingent Beneficiaries of any Severance Benefits owing to the Executive under this Agreement. Such designation must be in the form of a signed writing acceptable to the Committee and pursuant to such other procedures as the Committee may decide.  If no such designation is on file with the Company at the time of the Executive’s death, or if no designated Beneficiaries survive the Executive for more than fourteen (14) days, any Severance Benefits owing to the Executive under this Agreement shall be paid to the Executive’s estate.

11.3 Gender and Number. Except where otherwise indicated by the context, any masculine term used herein also shall include the feminine, the plural shall include the singular, and the singular shall include the plural.

11.4 Severability. In the event any provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of this Agreement, and this Agreement shall be construed and enforced as if the illegal or invalid provision had not been included. Further, the captions of this Agreement are not part of the provisions hereof and shall have no force and effect.

11.5 Modification. Except as provided in Article 1, no provision of this Agreement may be modified, waived, or discharged following a CIC unless such modification, waiver, or discharge is agreed to in writing and signed by the Executive and by an authorized member of the Committee, or by the respective parties’ legal representatives and successors.  

11.6 Effect of Agreement. This Agreement shall completely supersede and replace any and all portions of any contracts, plans, provisions, or practices pertaining to severance entitlements owing to the Executive from the Company other than the Severance Agreement, and is in lieu of any notice requirement, policy, or practice. As such, the Severance Benefits described herein shall serve as the Executive’s sole recourse with respect to termination of employment by the Company following a CIC.  In addition, Severance Benefits shall not be counted as “compensation,” or any equivalent term, for purposes of determining benefits under other agreements, plans, provisions, or

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CIC USEx.10(b)

practices owing to the Executive from the Company, except to the extent expressly provided therein. Except as otherwise specifically provided for in this Agreement, the Executive’s rights under all such agreements, plans, provisions, and practices continue to be subject to the respective terms and conditions thereof.

11.7 Applicable Law. To the extent not preempted by the laws of the United States, the laws of the state of Washington shall be the controlling law in all matters relating to this Agreement.

IN WITNESS WHEREOF, the parties have executed this Agreement on the dates appearing below.

Weyerhaeuser CompanyExecutive

By: /s/ Denise M. MerleBy: /s/ Devin W. Stockfish

Its: Senior Vice President and
Chief Administration OfficerName: Devin W. Stockfish

Date: February 14, 2020Date: February 14, 2020

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CIC USEx.10(b)

ANNEX A

NON-COMPETITION AND RELEASE AGREEMENT

FOR THE EXECUTIVE CHANGE IN CONTROL AGREEMENT

1. Parties.

The parties to this Non-Competition and Release Agreement are: ____________________ (“Executive”) and WEYERHAEUSER COMPANY, a Washington corporation, and all successors thereto (“Company”).

2. Date.

The date of this Non-Competition and Release Agreement (this “Release Agreement”) is ______________, 20____ (the “Date of this Agreement”).

3. Recitals.

Executive’s employment with Company is ending.  Executive is a participant in the Weyerhaeuser Company Executive Change in Control Agreement (“CIC Agreement”) and is eligible for Severance Benefits under the CIC Agreement on condition Executive executes a non-competition and release agreement.  This Release Agreement sets forth the terms of Executive’s severance from Company.  

4. Defined Terms.

When defined terms from the CIC Agreement are used herein, they shall have the same definitions as provided in Article 2 of the CIC Agreement.

5. Termination of Employment.

Effective ______________, 20____, Executive’s employment with Company shall terminate (“Termination Date”).  As of the Termination Date, Executive resigns any and all board of director seats Executive occupied as a Company representative.  

6. Payments.

Upon expiration of the Revocation Period, defined below, without exercise of the right to revoke, Executive shall receive or be entitled to receive the Severance Benefits and other payments to the extent set forth in the CIC Agreement.  Such payments shall be subject to all terms and conditions of the CIC Agreement, including, but not limited to, the forfeiture provisions of Section 6.3 thereof.

7. Release.

Executive hereby releases Company, and all successors, subsidiaries, and affiliates of Company, and all officers, directors, employees, agents, and shareholders of Company, and each of them, from any and all claims, liability, demands, rights, damages, costs, attorneys’ fees, and

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CIC USEx.10(b)

expenses of whatever nature, that exist as of the date of execution of this Release Agreement, whether known or unknown, foreseen or unforeseen, asserted or unasserted, including, but not limited to, all claims arising out of Executive’s employment and/or Executive’s termination from employment, and including all claims arising out of applicable state and federal laws, Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act, the Americans with Disabilities Act, the Employee Retirement Income Security Act of 1974, state and federal Family Leave Acts, and any other applicable tort, contract, or other common law theories.  

8. Confidentiality Agreement.

8.1Company’s Confidential Information.  During the course of performing Executive’s duties as a Company employee, Executive was exposed to and acquired Company’s Confidential Information.  As used herein, “Confidential Information” refers to any and all information of a confidential, proprietary, or trade secret nature that is maintained in confidence by Company for the protection of its business.  Confidential Information includes, but is not limited to, Company’s information about or related to (i) any current or planned products; (ii) research and development or investigations related to prospective products; (iii) proprietary software, inventions, and systems; (iv) suppliers or customers; (v) cost information, profits, sales information and accounting and unpublished financial information; (vi) business and marketing plans and methods; and (vii) any other information not generally known to the public that , if misused or disclosed to a competitor, could reasonably be expected to adversely affect Company.

8.2Nondisclosure of Confidential Information.  Executive acknowledges that the Confidential Information is a special, valuable, and unique asset of Company.  Executive agrees to keep in confidence and trust all Confidential Information for so long as such information is not generally known to the public or to persons outside Company who could obtain economic value from its use.  Executive agrees that Executive shall not directly or indirectly use the Confidential Information for the benefit of Executive or any other person or entity.

9. Nonsolicitation.

9.1 Nonsolicitation of Employees.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any employee of Company, any successor corporation, or a subsidiary of Company to work for Executive or any competing company or competing business organization.

9.2Nonsolicitation of Customers and Vendors.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any customer, vendor, or supplier of Company to end its relationship with Company and/or conduct business with Executive or any entity in which Executive has a financial interest.  

10. Noncompetition.

Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly, whether as an employee, officer, director, shareholder, agent, or consultant, engage or participate in any business that competes with Company, provided that nothing in this Section 10 shall preclude Executive from (i) performing any services on behalf of an investment banking, commercial banking, auditing, or consulting firm or (ii) investing five percent (5%) or less in the common stock of any publicly traded company, provided such investment

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CIC USEx.10(b)

does not give Executive the right or ability to control or influence the policy decisions of any competing business.  

11. Review and Rescission Rights.

Executive has forty-five (45) days from the Date of this Agreement (the “Review Period”) within which to decide whether to sign this Release Agreement.  If Executive signs this Release Agreement, Executive may revoke this Release Agreement if, within seven (7) days after signing (the “Revocation Period”), Executive delivers notice in writing to an Executive Compensation Manager of Company.  

This Release Agreement will not become effective, and the Severance Benefits dependent on the execution of this Release Agreement will not become payable, until this Release Agreement is signed, the Revocation Period expires, and Executive has not exercised the right to revoke this Release Agreement.

Executive may sign this Release Agreement prior to the end of the forty-five (45) day Review Period, thereby commencing the seven (7) day Revocation Period.  Whether Executive decides to sign before the end of the Review Period is entirely up to Executive.  

Executive will receive the same severance payments regardless of when Executive signs this Release Agreement, as long as Executive signs prior to the end of the Review Period and does not revoke this Release Agreement.

Executive acknowledges that Executive’s release of rights is in exchange for Severance Benefits to which Executive otherwise legally would not be entitled.  

12. Advice of Counsel.

Executive acknowledges that Executive has been advised to consult with an attorney before signing this Release Agreement.

13. Disputes.

Any dispute or claim that arises out of or relates to this Release Agreement shall be resolved in accordance with the provisions of Article 7 of the CIC Agreement.  Notwithstanding the provisions of this Section 13, any claim by Company for injunctive relief under the provisions of Section 8, 9, or 10 herein, or any subparts thereof, shall not be subject to the terms of this Section 13.

14. Governing Law; Venue.

To the extent not preempted by the laws of the United States, Washington law governs this Release Agreement, notwithstanding its choice of law rules. Each of the parties submits to the exclusive jurisdiction of any state or federal court sitting in King County, Washington in any action or dispute arising out of or relating to this Release Agreement and agrees that all claims in respect of such action or dispute may be heard and determined in any such court.  Each party also agrees not to bring any action or proceeding arising out of or relating to this Release Agreement in any other court.  Each of the parties waives any defense of inconvenient forum to the maintenance of any action or

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CIC USEx.10(b)

dispute so brought and waives any bond, surety, or other security that might be required of any other party with respect thereto.

15. Entire Agreement.

All of the parties’ agreements, covenants, representations, and warranties, express or implied, oral or written, concerning the subject matter of this Release Agreement are contained in this Release Agreement.  All prior and contemporaneous conversations, negotiations, agreements, representations, covenants, and warranties concerning the subject matter of this Release Agreement are merged into this Release Agreement.  This is an integrated agreement.

16. Miscellaneous.

The benefits and obligations of this Release Agreement shall inure to the successors and assigns of the parties.  The parties acknowledge that the only consideration for this Release Agreement is the consideration expressly described herein, that each party fully understands the meaning and intent of this Release Agreement, that this Release Agreement has been executed voluntarily, and that the terms of this Release Agreement are contractual.  

17. Severability.

Executive agrees that each provision in this Release Agreement will be treated as a separate and independent clause, and the enforceability of any one clause will in no way impair the enforceability of any of the other clauses in this Release Agreement.  Moreover, if one or more of the provisions contained in this Release Agreement, whether for the benefit of Executive or Company, are for any reason held to be excessively broad as to scope, activity, or subject so as to be unenforceable at law, such provision or provisions will be construed by limiting and reducing it or them, so as to be enforceable to the maximum extent compatible with the applicable law as it then appears.  

18. Section and Paragraph Titles.

Section and paragraph titles in this Release Agreement are used for convenience only and are not intended to and shall not in any way enlarge, define, limit, or extend the rights or obligations of the parties or affect the interpretation of this Release Agreement.

WEYERHAEUSER COMPANY

By:Date:_________________

Title:

[Name]________________________________

______________________________________Date:_________________

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EX-10.(C)

Severance USEx. 10(c)

Executive Severance Agreement

Weyerhaeuser Company

Severance USEx. 10(c)

Contents

Article 1. Term of This Agreement1

Article 2. Definitions1

Article 3. Participation and Continuing Eligibility under this Agreement3

Article 4. Severance Benefits3

Article 5. Form and Timing of Severance Benefits5

Article 6. The Company’s Payment Obligation6

Article 7. Dispute Resolution6

Article 8. Outplacement Assistance7

Article 9. Successors and Assignment7

Article 10. Section 409A7

Article 11. Miscellaneous8

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Severance USEx. 10(c)

Weyerhaeuser Company_____________________(Executive)
Severance Agreement

THIS EXECUTIVE SEVERANCE AGREEMENT is made and entered into by and between Weyerhaeuser Company (hereinafter referred to as the “Company”) and _____________.

Article 1.Term of This Agreement

This Agreement shall commence on the Effective Date and shall terminate on December 31, 2022; provided, however, that commencing on December 31, 2022 and each December 31 thereafter, the term of this Agreement shall be automatically extended for one additional year unless, not later than thirty (30) calendar days prior to such December 31, the Company or Executive shall have given notice that such party does not wish to extend the term of this Agreement.  

Article 2.Definitions

Whenever used in this Agreement, the following terms shall have the meanings set forth below and, when the meaning is intended, the initial letter of the word is capitalized:

(a)“Agreement” means this Executive Severance Agreement.

(b) “Authorizing Executive” means the Company’s Senior Vice President overseeing Human Resources; except that, for purposes of the executive severance agreement between the Company and the Company’s Senior Vice President overseeing Human Resources, “Authorizing Executive” means the Senior Vice President and General Counsel.

(c) “Base Salary” means the salary of record paid to the Executive as annual salary, excluding amounts received under incentive or other bonus plans, whether or not deferred.

(d) “Beneficiary” means the persons or entities designated or deemed designated by an Executive pursuant to Section 11.2.

(e) “Board” means the Board of Directors of the Company.

(f) “Cause” means the Executive’s:

(i)Willful and continued failure to perform substantially the Executive’s duties with the Company after the Company delivers to the Executive written demand for substantial performance specifically identifying the manner in which Executive has not substantially performed the Executive’s duties;

(ii)Conviction of a felony; or

(iii)Willfully engaging in illegal conduct or gross misconduct which is materially and demonstrably injurious to the Company.

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Severance USEx. 10(c)

For purposes of this Section 2(f), no act or omission by the Executive shall be considered “willful” unless it is done or omitted in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests of the Company. Any act or failure to act based upon (A) authority given pursuant to a resolution duly adopted by the Board or (B) advice of counsel for the Company shall be conclusively presumed to be done or omitted to be done by the Executive in good faith and in the best interests of the Company. For purposes of subsections (i)-(iii) above, the Executive shall not be deemed to be terminated for Cause unless and until there shall have been delivered to the Executive a copy of a resolution duly adopted by the affirmative vote of not less than three-quarters (3/4) of the entire membership of the Board at a meeting called and held for such purpose (after reasonable notice is provided to the Executive and the Executive is given an opportunity, together with counsel, to be heard before the Board) finding that in the good faith opinion of the Board, the Executive is guilty of the conduct described in subsection (i) or (iii) above and specifying the particulars thereof in detail.

(g) “CIC” of the Company shall have the definition set forth in the CIC Agreement.

(h) “CIC Agreement” means the Executive Change in Control Agreement between the Company and the Executive, as such agreement may be amended, supplemented or otherwise modified from time to time, or, if such agreement is no longer in effect, any successor agreement thereto.

(i) “Code” means the United States Internal Revenue Code of 1986, as amended.

(j) “Committee” means the Compensation Committee of the Board, or any other committee appointed by the Board to perform the functions of the Compensation Committee.

(k) “Company” means Weyerhaeuser Company, a Washington corporation (including any and all subsidiaries), or any successor thereto as provided in Article 9.

(l) “Disability” shall have the meaning ascribed to it in the Company’s Retirement Plan for Salaried Employees, or in any successor to such plan.

(m) “Effective Date” means the later of January 1, 2020 and the date this Agreement is fully executed by the parties hereto.

(n) “Effective Date of Termination” means the date on which a Qualifying Termination occurs that triggers the payment of Severance Benefits hereunder.

(o) “Executive” means an executive officer who serves on the senior management team of the Company and who has been presented with and signed this Agreement.

(p) “Non-Competition and Release Agreement” is an agreement, in substantially the form attached hereto in Annex A, executed by and between the Executive and the Company as a condition to the Executive’s receipt of Severance Benefits.

(q) “Person” shall have the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, including a “group” as defined in Section 13(d).

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Severance USEx. 10(c)

(r) “Qualifying Termination” means any of the events described in Section 4.2, the occurrence of which triggers the payment of Severance Benefits under Section 4.3.

(s) “Retirement” shall mean early or normal retirement under the Company’s Retirement Plan for Salaried Employees.

(t) “Severance Benefits” means Severance Benefits described in Section 4.3.

Article 3.Participation and Continuing Eligibility under this Agreement

Subject to other terms of this Agreement, the Executive shall remain eligible to receive benefits hereunder during the term of this Agreement.

Article 4.Severance Benefits

4.1 Right to Severance Benefits.

(a) Subject to Section 4.1(b), the Executive shall be entitled to receive from the Company Severance Benefits, if the Executive’s employment with the Company shall end for any reason specified in Section 4.2, and the Executive is not (i) offered Comparable Employment by the Company or any subsidiary or affiliate of the Company whether in a salaried, hourly, temporary or full-time capacity, or (ii) offered a contract to serve as a consultant or contractor by the Company or any subsidiary or affiliate of the Company containing terms and conditions reasonably deemed to be Comparable Employment, or (iii) offered Comparable Employment or a contract to serve as a consultant or contractor by an entity acquiring assets of the Company or the business in which the Executive was employed containing terms and conditions reasonably deemed to be Comparable Employment.

(b) If the Executive’s employment with the Company is terminated as a result of the acquisition (either through the sale of assets or the sale of stock) or the outsourcing of the services previously provided internally by Company employees of the unit in which the Executive was employed, and the Executive is offered Comparable Employment by the acquiring entity, the Executive is not eligible to receive Severance Benefits hereunder.

The Executive is not eligible to receive both severance benefits under the CIC Agreement and Severance Benefits hereunder. Accordingly, if the Executive receives severance benefits under the CIC Agreement, he shall not receive Severance Benefits hereunder. However, if the Executive suffers a Qualifying Termination, and if the Company has undergone a CIC such that the Executive’s Effective Date of Termination falls within the window period described in Section 4.2 of the CIC Agreement, the Executive’s total Severance Benefits shall equal the amounts described as severance benefits under the CIC Agreement (potentially requiring additional payments to the extent the amounts already paid as Severance Benefits hereunder do not equal the amounts payable as severance benefits under the CIC Agreement).

(c) Comparable Employment for purposes of paragraphs 4.1(a) and (b) above means employment terms that do not:

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Severance USEx. 10(c)

(i) result in a material reduction in the Executive’s authority, duties or responsibilities existing immediately prior to the termination;

(ii) require the Executive to be based at a location that is at least 50 miles farther from the Executive’s primary residence immediately prior to the termination than is such residence from the Executive’s business location immediately prior to the termination, except for required travel on the Company’s business to an extent substantially consistent with the Executive’s business obligations immediately prior to the termination;

(iii) include a material reduction in the Executive’s annual salary, benefits coverage in the aggregate, or level of participation in the Company’s short- or long-term incentive compensation plans available to the Executive immediately prior to the termination; provided, however, that the reductions in the level of benefits coverage or participation in incentive compensation plans shall be considered to be Comparable Employment if such reductions are substantially consistent with the average level of benefits coverage or participation in incentive plans of other executive officers with positions commensurate with the Executive’s position at the Company, its subsidiary or the acquiring company.

4.2 Qualifying Termination. An involuntary termination of the Executive’s employment by the Company, authorized by the Company’s Authorizing Executive, for reasons other than Cause, mandatory Retirement under the Company’s applicable policies, or the Executive’s death, Disability, or voluntary termination of employment (whether by Retirement or otherwise) at any time other than within twenty-four (24) full calendar months following the effective date of a CIC shall trigger the payment of Severance Benefits to the Executive under this Agreement.  

4.3 Description of Severance Benefits.  Subject to the conditions of Section 4.6, in the event that the Executive becomes entitled to receive Severance Benefits, as provided in Sections 4.1 and 4.2, the Company shall pay to the Executive and provide him with the following:

(a) An amount equal to one and one-half (1‑1/2) times the highest rate of the Executive’s annualized Base Salary rate in effect at any time up to and including the Effective Date of Termination.

(b) An amount equal to one and one-half (1‑1/2) the Executive’s target annual bonus established for the bonus plan year in which the Executive’s Effective Date of Termination occurs.

(c) An amount equal to the Executive’s unpaid Base Salary and accrued vacation pay through the last day the Executive worked.

(d) An amount equal to the Executive’s unpaid actual annual bonus, paid for the plan year in which the Executive’s Effective Date of Termination occurs, multiplied by a fraction, the numerator of which is the number of days completed in then-existing fiscal year through the Effective Date of Termination and the denominator of which is three hundred sixty-five (365).  Any payments hereunder are in lieu of bonuses otherwise payable under the Company’s applicable annual incentive plans.

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Severance USEx. 10(c)

(e) A lump sum payment of ten thousand dollars ($10,000) (net of required payroll and income tax withholding) in order to assist the Executive in paying for replacement health and welfare coverage for a reasonable period following the Executive’s Effective Date of Termination.  

4.4 Termination for Cause or by the Executive. If the Executive’s employment is terminated either (i) by the Company for Cause or (ii) by the Executive, the Company shall pay the Executive his full Base Salary and accrued vacation through the last day worked, at the rate then in effect, plus all other amounts to which the Executive is entitled under any compensation plans of the Company, at the time such payments are due, and the Company shall have no further obligations to the Executive under this Agreement.  

4.5 Notice of Termination. Any termination by the Company under this Article 4 shall be communicated by a Notice of Termination, which shall be delivered to the Executive no later than the Effective Date of Termination, unless the Executive is terminated for Cause, in which case no Notice of Termination is required.  For purposes of this Agreement, a “Notice of Termination” shall mean a written notice that shall indicate the specific termination provision in this Agreement relied upon, and shall set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision so indicated.

4.6 Delivery of Non-Competition and Release Agreement. The payment of Severance Benefits is conditioned on the Executive’s timely execution of the Non-Competition and Release Agreement. The Company will deliver the Non-Competition and Release Agreement when it provides a Notice of Termination to the Executive. The Non-Competition and Release Agreement shall be deemed effective upon the expiration of the required waiting periods under any applicable state and/or federal laws, as more specifically described therein.

To support the enforcement of the Non-Competition and Release Agreement, the parties agree that the minimum value of the Non-Competition and Release Agreement at the time this Agreement was entered into was at least one and one-half (1‑1/2) times the Executive’s Base Salary which has been built into the severance formula contained in Section 4.3.  

4.7 Removal from Representative Boards. In the event the terminating Executive occupies any board of directors seats solely as a Company representative, as a condition to receiving the severance set forth in Section 4.3, the Executive shall immediately resign such position upon his termination of employment with the Company and in any event by the deadline for returning the Non-Competition and Release Agreement described in Section 4.6, unless specifically requested in writing by the Company otherwise.

Article 5.Form and Timing of Severance Benefits

5.1 Form and Timing of Severance Benefits. The Severance Benefits described in Sections 4.3(a), (b), (c) and (e) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.6, as soon as practicable following the Effective Date of Termination, but in no event beyond thirty (30) days from the later of the Effective Date of Termination and the successful expiration of the waiting periods described in Section 4.6 and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision).  The Severance Benefit described in Section 4.3(d) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.6, as soon as practicable following the end of the year in

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Severance USEx. 10(c)

which the Executive’s Effective Date of Termination occurs and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), subject to any deferral election by the Executive under an available deferred compensation plan that is applicable to such amount.

5.2 Withholding of Taxes. The Company shall be entitled to withhold from any amounts payable under this Agreement all taxes as legally shall be required (including, without limitation, any United States federal taxes and any other state, city, or local taxes).

Article 6.The Company’s Payment Obligation

6.1 Payment Obligations Absolute. Except as provided in this Article 6 and in Article 7, the Company’s obligation to make the payments and the arrangements provided for herein shall be absolute and unconditional, and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim, recoupment, defense, or other right that the Company may have against the Executive or anyone else. All amounts payable by the Company hereunder shall be paid without notice or demand. Except as provided in this Article 6 and in Article 7, each and every payment made hereunder by the Company shall be final, and the Company shall not seek to recover all or any part of such payment from the Executive or from whosoever may be entitled thereto, for any reasons whatsoever.  

6.2 Contractual Rights to Benefits. Subject to Section 6.3, this Agreement establishes and vests in the Executive a contractual right to the benefits to which he may become entitled hereunder. However, nothing herein contained shall require or be deemed to require, or prohibit or be deemed to prohibit, the Company to segregate, earmark, or otherwise set aside any funds or other assets, in trust or otherwise, to provide for any payments to be made or required hereunder.

6.3 Forfeiture of Severance Benefits and Other Payments.  Notwithstanding any other provision of this Agreement to the contrary, if it is determined by the Company that the Executive has violated any of the restrictive covenants contained in the Executive’s Non-Competition and Release Agreement, the Executive shall be required to repay to the Company an amount equal to the economic value of all Severance Benefits and other payments already provided to the Executive under this Agreement and the Executive shall forever forfeit the Executive’s rights to any unpaid Severance Benefits and other payments hereunder.  The Severance Benefits shall be subject to (a) forfeiture provisions in any other agreements between the Executive and the Company and (b) any recoupment, clawback or similar policy of the Company as it may be in effect from time to time, as well as any similar provisions of applicable law, any of which could in certain circumstances require repayment or forfeiture of previously paid compensation.

Article 7.Dispute Resolution

7.1 Claims Procedure.  The Executive may file a written claim with the Authorizing Executive, who shall consider such claim and notify the Executive in writing of his decision with respect thereto within ninety (90) days (or within such longer period not to exceed one hundred eighty (180) days, as the Authorizing Executive determines is necessary to review the claim, provided that the Authorizing Executive notifies the Executive in writing of the extension within the original ninety (90) day period).  If the claim is denied, in whole or in part, the Executive may appeal such denial to the Committee, provided the Executive does so in writing within sixty (60) days of receiving the determination by the Authorizing Executive.  The Committee shall consider the appeal and notify the Executive in writing of its decision with respect thereto within sixty (60) days (or

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Severance USEx. 10(c)

within such longer period not to exceed one hundred twenty (120) days as the Committee determines is necessary to review the appeal, provided that the Committee notifies the Executive in writing of the extension within the original sixty (60) day period).  

7.2 Finality of Determination.  The determination of the Committee with respect to any question arising out of or in connection with the administration, interpretation, and application of this Agreement shall be final, binding, and conclusive on all persons and shall be given the greatest deference permitted by law.

Article 8.Outplacement Assistance

Following a Qualifying Termination (as described in Section 4.2), the Executive shall be reimbursed by the Company for the costs of all outplacement services obtained by the Executive within the two (2) year period after the Effective Date of Termination; provided, however, that the total reimbursement shall be limited to twenty thousand dollars ($20,000) and shall be completed by the end of the calendar year in which such two (2) year period expires.

Article 9.Successors and Assignment

9.1 Successors to the Company. This Agreement shall be binding on the successors of the Company.

9.2 Assignment by the Executive. This Agreement shall inure to the benefit of and be enforceable by each the Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees, and legatees. If the Executive dies while any amount would still be payable to him hereunder had he continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the Executive’s Beneficiary. If the Executive has not named a Beneficiary, then such amounts shall be paid to the Executive’s devisee, legatee, or other designee, or if there is no such designee, to the Executive’s estate.

Article 10.Section 409A

All Severance Benefits and reimbursements payable under this Agreement are intended to comply with the “short term deferral” exception specified in Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), or otherwise be excepted from coverage under Section 409A of the Code (“Section 409A”). Notwithstanding the foregoing sentence, to the extent an exception is not available and the Executive must be treated as a “specified employee” within the meaning of Section 409A, any such amounts payable in cash and due to the Executive on or within the six (6) month period following the Executive’s separation from service (as defined for purposes of Section 409A) will accrue during such six (6) month period and will become payable in a lump sum payment on the date six (6) months and one (1) day following the date of the Executive’s separation from service; provided, however, that such payments will be paid earlier, at the times and on the terms set forth in the applicable provisions of this Agreement, if the Company reasonably determines that the imposition of additional tax under Section 409A will not apply to an earlier payment of such payments. In addition, this Agreement will be interpreted, operated, and administered by the Company to the extent deemed reasonably necessary to avoid imposition of any additional tax or income recognition prior to actual payment to the Executive under Section 409A, including any temporary or final treasury regulations and guidance promulgated thereunder.

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Severance USEx. 10(c)

Article 11.Miscellaneous

11.1 Employment Status. Except as may be provided under any other agreement between the Executive and the Company, the employment of the Executive by the Company is “at will,” and may be terminated by either the Executive or the Company at any time, subject to applicable law.  

11.2 Beneficiaries. The Executive may designate one or more persons or entities as the primary and/or contingent Beneficiaries of any Severance Benefits owing to the Executive under this Agreement. Such designation must be in the form of a signed writing acceptable to the Committee and pursuant to such other procedures as the Committee may decide.  If no such designation is on file with the Company at the time of the Executive’s death, or if no designated Beneficiaries survive the Executive for more than fourteen (14) days, any Severance Benefits owing to the Executive under this Agreement shall be paid to the Executive’s estate.

11.3 Gender and Number. Except where otherwise indicated by the context, any masculine term used herein also shall include the feminine, the plural shall include the singular, and the singular shall include the plural.

11.4 Severability. In the event any provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of this Agreement, and this Agreement shall be construed and enforced as if the illegal or invalid provision had not been included. Further, the captions of this Agreement are not part of the provisions hereof and shall have no force and effect.

11.5 Modification. Except as provided in Article 1, no provision of this Agreement may be modified, waived, or discharged following the Effective Date of Termination unless such modification, waiver, or discharge is agreed to in writing and signed by the Executive and by an authorized member of the Committee, or by the respective parties’ legal representatives and successors.  

11.6 Effect of Agreement. This Agreement shall completely supersede and replace any and all portions of any contracts, plans, provisions, or practices pertaining to severance entitlements owing to the Executive from the Company other than the CIC Agreement, and is in lieu of any notice requirement, policy, or practice. As such, the Severance Benefits described herein shall serve as the Executive’s sole recourse with respect to termination of employment by the Company other than a termination that entitles the Executive to severance benefits under the terms of the CIC Agreement.  In addition, Severance Benefits shall not be counted as “compensation,” or any equivalent term, for purposes of determining benefits under other agreements, plans, provisions, or practices owing to the Executive from the Company, except to the extent expressly provided therein.  Except as otherwise specifically provided for in this Agreement, the Executive’s rights under all such agreements, plans, provisions, and practices continue to be subject to the respective terms and conditions thereof.

11.7 Applicable Law. To the extent not preempted by the laws of the United States, the laws of the state of Washington shall be the controlling law in all matters relating to this Agreement.

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Severance USEx. 10(c)

IN WITNESS WHEREOF, the parties have executed this Agreement on the dates appearing below.

Weyerhaeuser CompanyExecutive

By: By:

Its: Name: _____

Date: Date:

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Severance USEx. 10(c)

ANNEX A

NON-COMPETITION AND RELEASE AGREEMENT
FOR THE EXECUTIVE SEVERANCE AGREEMENT

1. Parties.

The parties to this Non-Competition and Release Agreement are ___________ (the “Executive”), and WEYERHAEUSER COMPANY, a Washington corporation, and all successors thereto (“Company”).

2. Date.

The date of this Non-Competition and Release Agreement (this “Release Agreement”) is ________________________, 20___ (the “Date of this Agreement”).

3. Recitals.

Executive’s employment with Company is ending.  Executive is a participant in the Weyerhaeuser Company Executive Severance Agreement (“Severance Agreement”) and is eligible for Severance Benefits under the Severance Agreement on condition Executive executes a non-competition and release agreement.  This Release Agreement sets forth the terms of Executive’s severance from Company.

4. Defined Terms.

When defined terms from the Severance Agreement are used herein, they shall have the same definitions as provided in Article 2 of the Severance Agreement.

5. Termination of Employment.

Effective ________________________, 20___, Executive’s employment with Company shall terminate (“Termination Date”).  Executive shall resign all positions with Company, whether as an officer, employee, or agent, in each case effective on the Termination Date.

6. Payments.

Upon expiration of the Revocation Period, defined below, without exercise of the right to revoke, Executive shall receive or be entitled to receive the Severance Benefits and other payments to the extent set forth in the Severance Agreement, including, but not limited to, the forfeiture provisions of Section 6.3 thereof.

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Severance USEx. 10(c)

7. Release.

Executive hereby releases Company, and all successors, subsidiaries, and affiliates of Company, and all officers, directors, employees, agents, and shareholders of Company, and each of them, from any and all claims, liability, demands, rights, damages, costs, attorneys’ fees, and expenses of whatever nature that exist as of the date of execution of this Release Agreement, whether known or unknown, foreseen or unforeseen, asserted or unasserted, including, but not limited to, all claims arising out of Executive’s employment and/or Executive’s termination from employment, and including all claims arising out of applicable state and federal laws, Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act, the Americans with Disabilities Act, the Employee Retirement Income Security Act of 1974, state and federal Family Leave Acts, and any other applicable tort, contract, or other common law theories; provided, however, that this release shall not extend to any compensatory payments or other benefits due to Executive following the expiration of the Revocation Period pursuant to the terms and conditions of any applicable benefit plans, programs and agreements maintained by Company for the benefit of Executive or to which Company and Executive are parties.

8. Confidentiality Agreement.

8.1Company’s Confidential Information.  During the course of performing Executive’s duties as a Company employee, Executive was exposed to and acquired Company’s Confidential Information.  As used herein, “Confidential Information” refers to any and all information of a confidential, proprietary, or trade secret nature that is maintained in confidence by Company for the protection of its business.  Confidential Information includes, but is not limited to, Company’s information about or related to (i) any current or planned products, (ii) research and development or investigations related to prospective products, (iii) proprietary software and systems, (iv) suppliers or customers, (v) cost information, profits, sales information, and accounting and unpublished financial information, (vi) business and marketing plans and methods, and (vii)  any other information not generally known to the public that, if misused or disclosed to a competitor, could reasonably be expected to adversely affect the Company.

8.2Nondisclosure of Confidential Information.  Executive acknowledges that the Confidential Information is a special, valuable, and unique asset of Company.  Executive agrees to keep in confidence and trust all Confidential Information for so long as such information is not generally known to the public or to persons outside Company who could obtain economic value from its use.  Executive agrees that Executive will not directly or indirectly use the Confidential Information for the benefit of Executive or any other person or entity.

9. Nonsolicitation.

9.1 Nonsolicitation of Employees.Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any employee of Company, any successor corporation, or a subsidiary of Company to work for Executive or any competing company or competing business organization.

9.2Nonsolicitation of Customers and Vendors.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any customer, vendor, or supplier of Company to end its relationship with Company and/or conduct business with Executive or any entity in which Executive has a financial interest.

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Severance USEx. 10(c)

10. Non-competition.

Executive agrees that for a period of one (1) year following the Termination Date, Executive shall not directly or indirectly, whether as an employee, officer, director, shareholder, agent, or consultant, engage or participate in any business that competes with Company, provided that nothing in this Section 10 shall preclude Executive from (i) performing any services on behalf of an investment banking, commercial banking, auditing, or consulting firm or (ii) investing five percent (5%) or less in the common stock of any publicly traded company, provided such investment does not give Executive the right or ability to control or influence the policy decisions of any competing business.  

11. Review and Rescission Rights.

Executive has forty-five (45) days from the Date of this Agreement (the “Review Period”) within which to decide whether to sign this Release Agreement.  If Executive signs this Release Agreement, Executive may revoke this Release Agreement if, within seven (7) days after signing (the “Revocation Period”), Executive delivers notice in writing to an Executive Compensation Manager of Company.  

This Release Agreement will not become effective, and the Severance Benefits dependent on the execution of this Release Agreement will not become payable, until this Release Agreement is signed, the Revocation Period expires, and Executive has not exercised the right to revoke this Release Agreement.

Executive may sign this Release Agreement prior to the end of the forty-five (45) day Review Period, thereby commencing the seven (7) day Revocation Period.  Whether Executive decides to sign before the end of the Review Period is entirely up to Executive.  

Executive will receive the same severance payments regardless of when Executive signs this Release Agreement, as long as Executive signs prior to the end of the Review Period and does not revoke this Release Agreement.

Executive acknowledges that Executive’s release of rights is in exchange for Severance Benefits to which Executive otherwise legally would not be entitled.

12. Advice of Counsel.

Executive acknowledges that Executive has been advised to consult with an attorney before signing this Release Agreement.

13. Disputes.

Any dispute or claim that arises out of or relates to this Release Agreement shall be resolved in accordance with the provisions of Article 7 of the Severance Agreement.  Notwithstanding the provisions of this Section 13, any claim by Company for injunctive relief under the provisions of Section 8, 9, or 10 herein, or any subparts thereof, shall not be subject to the terms of this Section 13.

14. Governing Law; Venue.

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Severance USEx. 10(c)

To the extent not preempted by the laws of the United States, Washington law governs this Release Agreement, notwithstanding its choice of law rules.Each of the parties submits to the exclusive jurisdiction of any state or federal court sitting in King County, Washington in any action or dispute arising out of or relating to this Release Agreement and agrees that all claims in respect of such action or dispute may be heard and determined in any such court.  Each party also agrees not to bring any action or proceeding arising out of or relating to this Release Agreement in any other court.  Each of the parties waives any defense of inconvenient forum to the maintenance of any action or dispute so brought and waives any bond, surety, or other security that might be required of any other party with respect thereto.

15. Entire Agreement.

All of the parties’ agreements, covenants, representations, and warranties, express or implied, oral or written, concerning the subject matter of this Release Agreement are contained in this Release Agreement.  All prior and contemporaneous conversations, negotiations, agreements, representations, covenants, and warranties concerning the subject matter of this Release Agreement are merged into this Release Agreement.  This is an integrated agreement.

16. Miscellaneous.

The benefits and obligations of this Release Agreement shall inure to the successors and assigns of the parties.  The parties acknowledge that the only consideration for this Release Agreement is the consideration expressly described herein, that each party fully understands the meaning and intent of this Release Agreement, that this Release Agreement has been executed voluntarily, and that the terms of this Release Agreement are contractual.

17. Severability.

Executive agrees that each provision in this Release Agreement will be treated as a separate and independent clause, and the enforceability of any one clause will in no way impair the enforceability of any of the other clauses in this Release Agreement.  Moreover, if one or more of the provisions contained in this Release Agreement, whether for the benefit of Executive or Company, are for any reason held to be excessively broad as to scope, activity, or subject so as to be unenforceable at law, such provision or provisions will be construed by limiting and reducing it or them, so as to be enforceable to the maximum extent compatible with the applicable law as it then appears.  

18. Section and Paragraph Titles.

Section and paragraph titles in this Release Agreement are used for convenience only and are not intended to and shall not in any way enlarge, define, limit, or extend the rights or obligations of the parties or affect the interpretation of this Release Agreement.

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Severance USEx. 10(c)

WEYERHAEUSER COMPANY

By:Date:_________________

Title:

Executive

______________________________________Date:_________________

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EX-10.(D)

CEO Severance USEx. 10(d)

Chief Executive Officer     Severance Agreement

Weyerhaeuser Company

CEO Severance USEx. 10(d)

Contents

Article 1. Term of This Agreement1

Article 2. Definitions1

Article 3. Participation and Continuing Eligibility under this Agreement3

Article 4. Severance Benefits3

Article 5. Form and Timing of Severance Benefits5

Article 6. The Company’s Payment Obligation6

Article 7. Dispute Resolution6

Article 8. Outplacement Assistance7

Article 9. Successors and Assignment7

Article 10. Section 409A7

Article 11. Miscellaneous8

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CEO Severance USEx. 10(d)

Weyerhaeuser CompanyDevin W. Stockfish(Executive)
Severance Agreement

THIS EXECUTIVE SEVERANCE AGREEMENT is made and entered into by and between Weyerhaeuser Company (hereinafter referred to as the “Company”) and Devin W. Stockfish.

Article 1.Term of This Agreement

This Agreement shall commence on the Effective Date and shall terminate on December 31, 2022; provided, however, that commencing on December 31, 2022 and each December 31 thereafter, the term of this Agreement shall be automatically extended for one additional year unless, not later than thirty (30) calendar days prior to such December 31, the Company or Executive shall have given notice that such party does not wish to extend the term of this Agreement.  

Article 2.Definitions

Whenever used in this Agreement, the following terms shall have the meanings set forth below and, when the meaning is intended, the initial letter of the word is capitalized:

(a) “Agreement” means this Executive Severance Agreement.

(b) “Base Salary” means the salary of record paid to the Executive as annual salary, excluding amounts received under incentive or other bonus plans, whether or not deferred.

(c) “Beneficiary” means the persons or entities designated or deemed designated by an Executive pursuant to Section 11.2.

(d) “Board” means the Board of Directors of the Company.

(e) “Cause” means the Executive’s:

(i)Willful and continued failure to perform substantially the Executive’s duties with the Company after the Company delivers to the Executive written demand for substantial performance specifically identifying the manner in which Executive has not substantially performed the Executive’s duties;

(ii)Conviction of a felony; or

(iii)Willfully engaging in illegal conduct or gross misconduct which is materially and demonstrably injurious to the Company.

For purposes of this Section 2(e), no act or omission by the Executive shall be considered “willful” unless it is done or omitted in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests of the Company. Any act or failure to act based upon (A) authority given pursuant to a resolution duly adopted by the Board or (B) advice of counsel for the Company shall be conclusively presumed to be done or omitted to be done by the Executive in

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CEO Severance USEx. 10(d)

good faith and in the best interests of the Company. For purposes of subsections (i)-(iii) above, the Executive shall not be deemed to be terminated for Cause unless and until there shall have been delivered to the Executive a copy of a resolution duly adopted by the affirmative vote of not less than three-quarters (3/4) of the entire membership of the Board at a meeting called and held for such purpose (after reasonable notice is provided to the Executive and the Executive is given an opportunity, together with counsel, to be heard before the Board) finding that in the good faith opinion of the Board, the Executive is guilty of the conduct described in subsection (i) or (iii) above and specifying the particulars thereof in detail.

(f) “CIC” of the Company shall have the definition set forth in the CIC Agreement.

(g) “CIC Agreement” means the Executive Change in Control Agreement between the Company and the Executive, as such agreement may be amended, supplemented or otherwise modified from time to time, or, if such agreement is no longer in effect, any successor agreement thereto.

(h) “Code” means the United States Internal Revenue Code of 1986, as amended.

(i) “Committee” means the Compensation Committee of the Board, or any other committee appointed by the Board to perform the functions of the Compensation Committee.

(j) “Company” means Weyerhaeuser Company, a Washington corporation (including any and all subsidiaries), or any successor thereto as provided in Article 9.

(k) “Disability” shall have the meaning ascribed to it in the Company’s Retirement Plan for Salaried Employees, or in any successor to such plan.

(l) “Effective Date” means the later of January 1, 2020 and the date this Agreement is fully executed by the parties hereto.

(m) “Effective Date of Termination” means the date on which a Qualifying Termination occurs that triggers the payment of Severance Benefits hereunder.

(n) “Executive” means an executive officer of the Company who serves on the senior management team and who has been presented with and signed this Agreement.

(o) “Non-Competition and Release Agreement” is an agreement, in substantially the form attached hereto in Annex A, executed by and between the Executive and the Company as a condition to the Executive’s receipt of Severance Benefits.

(p) “Person” shall have the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, including a “group” as defined in Section 13(d).

(q) “Qualifying Termination” means any of the events described in Section 4.2, the occurrence of which triggers the payment of Severance Benefits under Section 4.3.

(r) “Retirement” shall mean early or normal retirement under the Company’s Retirement Plan for Salaried Employees.

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CEO Severance USEx. 10(d)

(s) “Severance Benefits” means Severance Benefits described in Section 4.3.

Article 3.Participation and Continuing Eligibility under this Agreement

Subject to other terms of this Agreement, the Executive shall remain eligible to receive benefits hereunder during the term of this Agreement.

Article 4.Severance Benefits

4.1 Right to Severance Benefits.

(a) Subject to Section 4.1(b), the Executive shall be entitled to receive from the Company Severance Benefits, if the Executive’s employment with the Company shall end for any reason specified in Section 4.2, and the Executive is not (i) offered Comparable Employment by the Company or any subsidiary or affiliate of the Company whether in a salaried, hourly, temporary or full-time capacity, or (ii) offered a contract to serve as a consultant or contractor by the Company or any subsidiary or affiliate of the Company containing terms and conditions reasonably deemed to be Comparable Employment, or (iii) offered Comparable Employment or a contract to serve as a consultant or contractor by an entity acquiring assets of the Company or the business in which the Executive was employed containing terms and conditions reasonably deemed to be Comparable Employment.

(b) If the Executive’s employment with the Company is terminated as a result of the acquisition (either through the sale of assets or the sale of stock) or the outsourcing of the services previously provided internally by Company employees of the unit in which the Executive was employed, and the Executive is offered Comparable Employment by the acquiring entity, the Executive is not eligible to receive Severance Benefits hereunder.

The Executive is not eligible to receive both severance benefits under the CIC Agreement and Severance Benefits hereunder. Accordingly, if the Executive receives severance benefits under the CIC Agreement, he shall not receive Severance Benefits hereunder. However, if the Executive suffers a Qualifying Termination, and if the Company has undergone a CIC such that the Executive’s Effective Date of Termination falls within the window period described in Section 4.2 of the CIC Agreement, the Executive’s total Severance Benefits shall equal the amounts described as severance benefits under the CIC Agreement (potentially requiring additional payments to the extent the amounts already paid as Severance Benefits hereunder do not equal the amounts payable as severance benefits under the CIC Agreement).

(c) Comparable Employment for purposes of paragraphs 4.1(a) and (b) above means employment terms that do not:

(i) result in a material reduction in the Executive’s authority, duties or responsibilities existing immediately prior to the termination;

(ii) require the Executive to be based at a location that is at least 50 miles farther from the Executive’s primary residence immediately prior to the

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termination than is such residence from the Executive’s business location immediately prior to the termination, except for required travel on the Company’s business to an extent substantially consistent with the Executive’s business obligations immediately prior to the termination;

(iii) include a material reduction in the Executive’s annual salary, benefits coverage in the aggregate, or level of participation in the Company’s short- or long-term incentive compensation plans available to the Executive immediately prior to the termination; provided, however, that the reductions in the level of benefits coverage or participation in incentive compensation plans shall be considered to be Comparable Employment if such reductions are substantially consistent with the average level of benefits coverage or participation in incentive plans of other executive officers with positions commensurate with the Executive’s position at the Company, its subsidiary or the acquiring company.

4.2 Qualifying Termination. An involuntary termination of the Executive’s employment by the Company, authorized by the Company’s Senior Vice President overseeing Human Resources, for reasons other than Cause, mandatory Retirement under the Company’s applicable policies, or the Executive’s death, Disability, or voluntary termination of employment (whether by Retirement or otherwise) at any time other than within twenty-four (24) full calendar months following the effective date of a CIC shall trigger the payment of Severance Benefits to the Executive under this Agreement.  

4.3 Description of Severance Benefits.  Subject to the conditions of Section 4.6, in the event that the Executive becomes entitled to receive Severance Benefits, as provided in Sections 4.1 and 4.2, the Company shall pay to the Executive and provide him with the following:

(a) An amount equal to two (2) times the highest rate of the Executive’s annualized Base Salary rate in effect at any time up to and including the Effective Date of Termination.

(b) An amount equal to two (2) the Executive’s target annual bonus established for the bonus plan year in which the Executive’s Effective Date of Termination occurs.

(c) An amount equal to the Executive’s unpaid Base Salary and accrued vacation pay through the last day the Executive worked.

(d) An amount equal to the Executive’s unpaid actual annual bonus, paid for the plan year in which the Executive’s Effective Date of Termination occurs, multiplied by a fraction, the numerator of which is the number of days completed in then-existing fiscal year through the Effective Date of Termination and the denominator of which is three hundred sixty-five (365).  Any payments hereunder are in lieu of bonuses otherwise payable under the Company’s applicable annual incentive plans.

(e) A lump sum payment of ten thousand dollars ($10,000) (net of required payroll and income tax withholding) in order to assist the Executive in paying for replacement health and welfare coverage for a reasonable period following the Executive’s Effective Date of Termination.  

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CEO Severance USEx. 10(d)

4.4 Termination for Cause or by the Executive. If the Executive’s employment is terminated either (i) by the Company for Cause or (ii) by the Executive,the Company shall pay the Executive his full Base Salary and accrued vacation through the last day worked, at the rate then in effect, plus all other amounts to which the Executive is entitled under any compensation plans of the Company, at the time such payments are due, and the Company shall have no further obligations to the Executive under this Agreement.  

4.5 Notice of Termination. Any termination by the Company under this Article 4 shall be communicated by a Notice of Termination, which shall be delivered to the Executive no later than the Effective Date of Termination, unless the Executive is terminated for Cause, in which case no Notice of Termination is required.  For purposes of this Agreement, a “Notice of Termination” shall mean a written notice that shall indicate the specific termination provision in this Agreement relied upon, and shall set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision so indicated.

4.6 Delivery of Non-Competition and Release Agreement. The payment of Severance Benefits is conditioned on the Executive’s timely execution of the Non-Competition and Release Agreement. The Company will deliver the Non-Competition and Release Agreement when it provides a Notice of Termination to the Executive. The Non-Competition and Release Agreement shall be deemed effective upon the expiration of the required waiting periods under any applicable state and/or federal laws, as more specifically described therein.

To support the enforcement of the Non-Competition and Release Agreement, the parties agree that the minimum value of the Non-Competition and Release Agreement at the time this Agreement was entered into was at least two (2) times the Executive’s Base Salary which has been built into the severance formula contained in Section 4.3.  

4.7 Removal from Representative Boards. In the event the terminating Executive occupies any board of directors seats solely as a Company representative, as a condition to receiving the severance set forth in Section 4.3, the Executive shall immediately resign such position upon his termination of employment with the Company and in any event by the deadline for returning the Non-Competition and Release Agreement described in Section 4.6, unless specifically requested in writing by the Company otherwise.

Article 5.Form and Timing of Severance Benefits

5.1 Form and Timing of Severance Benefits. The Severance Benefits described in Sections 4.3(a), (b), (c) and (e) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.6, as soon as practicable following the Effective Date of Termination, but in no event beyond thirty (30) days from the later of the Effective Date of Termination and the successful expiration of the waiting periods described in Section 4.6 and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision).  The Severance Benefit described in Section 4.3(d) shall be paid in cash to the Executive in a single lump sum, subject to the Non-Competition and Release Agreement described in Section 4.6, as soon as practicable following the end of the year in which the Executive’s Effective Date of Termination occurs and in no event later than the payment deadline for short-term deferrals under Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), subject to any deferral election by the Executive under an available deferred compensation plan that is applicable to such amount.

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CEO Severance USEx. 10(d)

5.2 Withholding of Taxes. The Company shall be entitled to withhold from any amounts payable under this Agreement all taxes as legally shall be required (including, without limitation, any United States federal taxes and any other state, city, or local taxes).

Article 6.The Company’s Payment Obligation

6.1 Payment Obligations Absolute. Except as provided in this Article 6 and in Article 7, the Company’s obligation to make the payments and the arrangements provided for herein shall be absolute and unconditional, and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim, recoupment, defense, or other right that the Company may have against the Executive or anyone else. All amounts payable by the Company hereunder shall be paid without notice or demand. Except as provided in this Article 6 and in Article 7, each and every payment made hereunder by the Company shall be final, and the Company shall not seek to recover all or any part of such payment from the Executive or from whosoever may be entitled thereto, for any reasons whatsoever.  

6.2 Contractual Rights to Benefits. Subject to Section 6.3, this Agreement establishes and vests in the Executive a contractual right to the benefits to which he may become entitled hereunder. However, nothing herein contained shall require or be deemed to require, or prohibit or be deemed to prohibit, the Company to segregate, earmark, or otherwise set aside any funds or other assets, in trust or otherwise, to provide for any payments to be made or required hereunder.

6.3 Forfeiture of Severance Benefits and Other Payments.  Notwithstanding any other provision of this Agreement to the contrary, if it is determined by the Company that the Executive has violated any of the restrictive covenants contained in the Executive’s Non-Competition and Release Agreement, the Executive shall be required to repay to the Company an amount equal to the economic value of all Severance Benefits and other payments already provided to the Executive under this Agreement and the Executive shall forever forfeit the Executive’s rights to any unpaid Severance Benefits and other payments hereunder.  The Severance Benefits shall be subject to (a) forfeiture provisions in any other agreements between the Executive and the Company and (b) any recoupment, clawback or similar policy of the Company as it may be in effect from time to time, as well as any similar provisions of applicable law, any of which could in certain circumstances require repayment or forfeiture of previously paid compensation.

Article 7.Dispute Resolution

7.1 Claims Procedure.  The Executive may file a written claim with the Company’s Senior Vice President overseeing Human Resources, who shall consider such claim and notify the Executive in writing of his decision with respect thereto within ninety (90) days (or within such longer period not to exceed one hundred eighty (180) days, as the Senior Vice President overseeing Human Resources determines is necessary to review the claim, provided that the Senior Vice President overseeing Human Resources notifies the Executive in writing of the extension within the original ninety (90) day period).  If the claim is denied, in whole or in part, the Executive may appeal such denial to the Committee, provided the Executive does so in writing within sixty (60) days of receiving the determination by the Senior Vice President overseeing Human Resources.  The Committee shall consider the appeal and notify the Executive in writing of its decision with respect thereto within sixty (60) days (or within such longer period not to exceed one hundred twenty (120) days as the Committee determines is necessary to review the appeal, provided that the Committee notifies the Executive in writing of the extension within the original sixty (60) day period).  

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CEO Severance USEx. 10(d)

7.2 Finality of Determination.  The determination of the Committee with respect to any question arising out of or in connection with the administration, interpretation, and application of this Agreement shall be final, binding, and conclusive on all persons and shall be given the greatest deference permitted by law.

Article 8.Outplacement Assistance

Following a Qualifying Termination (as described in Section 4.2), the Executive shall be reimbursed by the Company for the costs of all outplacement services obtained by the Executive within the two (2) year period after the Effective Date of Termination; provided, however, that the total reimbursement shall be limited to twenty thousand dollars ($20,000) and shall be completed by the end of the calendar year in which such two (2) year period expires.

Article 9.Successors and Assignment

9.1 Successors to the Company. This Agreement shall be binding on the successors of the Company.

9.2 Assignment by the Executive. This Agreement shall inure to the benefit of and be enforceable by each the Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees, and legatees. If the Executive dies while any amount would still be payable to him hereunder had he continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the Executive’s Beneficiary. If the Executive has not named a Beneficiary, then such amounts shall be paid to the Executive’s devisee, legatee, or other designee, or if there is no such designee, to the Executive’s estate.

Article 10.Section 409A

All Severance Benefits and reimbursements payable under this Agreement are intended to comply with the “short term deferral” exception specified in Treas. Reg. § 1.409A-1(b)(4) (or any successor provision), or otherwise be excepted from coverage under Section 409A of the Code (“Section 409A”). Notwithstanding the foregoing sentence, to the extent an exception is not available and the Executive must be treated as a “specified employee” within the meaning of Section 409A, any such amounts payable in cash and due to the Executive on or within the six (6) month period following the Executive’s separation from service (as defined for purposes of Section 409A) will accrue during such six (6) month period and will become payable in a lump sum payment on the date six (6) months and one (1) day following the date of the Executive’s separation from service; provided, however, that such payments will be paid earlier, at the times and on the terms set forth in the applicable provisions of this Agreement, if the Company reasonably determines that the imposition of additional tax under Section 409A will not apply to an earlier payment of such payments. In addition, this Agreement will be interpreted, operated, and administered by the Company to the extent deemed reasonably necessary to avoid imposition of any additional tax or income recognition prior to actual payment to the Executive under Section 409A, including any temporary or final treasury regulations and guidance promulgated thereunder.

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CEO Severance USEx. 10(d)

Article 11.Miscellaneous

11.1 Employment Status. Except as may be provided under any other agreement between the Executive and the Company, the employment of the Executive by the Company is “at will,” and may be terminated by either the Executive or the Company at any time, subject to applicable law.  

11.2 Beneficiaries. The Executive may designate one or more persons or entities as the primary and/or contingent Beneficiaries of any Severance Benefits owing to the Executive under this Agreement. Such designation must be in the form of a signed writing acceptable to the Committee and pursuant to such other procedures as the Committee may decide.  If no such designation is on file with the Company at the time of the Executive’s death, or if no designated Beneficiaries survive the Executive for more than fourteen (14) days, any Severance Benefits owing to the Executive under this Agreement shall be paid to the Executive’s estate.

11.3 Gender and Number. Except where otherwise indicated by the context, any masculine term used herein also shall include the feminine, the plural shall include the singular, and the singular shall include the plural.

11.4 Severability. In the event any provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of this Agreement, and this Agreement shall be construed and enforced as if the illegal or invalid provision had not been included. Further, the captions of this Agreement are not part of the provisions hereof and shall have no force and effect.

11.5 Modification. Except as provided in Article 1, no provision of this Agreement may be modified, waived, or discharged following the Effective Date of Termination unless such modification, waiver, or discharge is agreed to in writing and signed by the Executive and by an authorized member of the Committee, or by the respective parties’ legal representatives and successors.  

11.6 Effect of Agreement. This Agreement shall completely supersede and replace any and all portions of any contracts, plans, provisions, or practices pertaining to severance entitlements owing to the Executive from the Company other than the CIC Agreement, and is in lieu of any notice requirement, policy, or practice. As such, the Severance Benefits described herein shall serve as the Executive’s sole recourse with respect to termination of employment by the Company other than a termination that entitles the Executive to severance benefits under the terms of the CIC Agreement.  In addition, Severance Benefits shall not be counted as “compensation,” or any equivalent term, for purposes of determining benefits under other agreements, plans, provisions, or practices owing to the Executive from the Company, except to the extent expressly provided therein.  Except as otherwise specifically provided for in this Agreement, the Executive’s rights under all such agreements, plans, provisions, and practices continue to be subject to the respective terms and conditions thereof.

11.7 Applicable Law. To the extent not preempted by the laws of the United States, the laws of the state of Washington shall be the controlling law in all matters relating to this Agreement.

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CEO Severance USEx. 10(d)

IN WITNESS WHEREOF, the parties have executed this Agreement on the dates appearing below.

Weyerhaeuser CompanyExecutive

By: /s/ Denise M. MerleBy: /s/ Devin W. Stockfish

Its: Senior Vice President andName: Devin W. Stockfish
Chief Administration Officer

Date: February 14, 2020Date: February 14, 2020

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CEO Severance USEx. 10(d)

ANNEX A

NON-COMPETITION AND RELEASE AGREEMENT
FOR THE EXECUTIVE SEVERANCE AGREEMENT

1. Parties.

The parties to this Non-Competition and Release Agreement are ________________ (the “Executive”), and WEYERHAEUSER COMPANY, a Washington corporation, and all successors thereto (“Company”).

2. Date.

The date of this Non-Competition and Release Agreement (this “Release Agreement”) is ________________________, 20___ (the “Date of this Agreement”).

3. Recitals.

Executive’s employment with Company is ending.  Executive is a participant in the Weyerhaeuser Company Executive Severance Agreement (“Severance Agreement”) and is eligible for Severance Benefits under the Severance Agreement on condition Executive executes a non-competition and release agreement.  This Release Agreement sets forth the terms of Executive’s severance from Company.

4. Defined Terms.

When defined terms from the Severance Agreement are used herein, they shall have the same definitions as provided in Article 2 of the Severance Agreement.

5. Termination of Employment.

Effective ________________________, 20___, Executive’s employment with Company shall terminate (“Termination Date”).  Executive shall resign all positions with Company, whether as an officer, employee, or agent, in each case effective on the Termination Date.

6. Payments.

Upon expiration of the Revocation Period, defined below, without exercise of the right to revoke, Executive shall receive or be entitled to receive the Severance Benefits and other payments to the extent set forth in the Severance Agreement, including, but not limited to, the forfeiture provisions of Section 6.3 thereof.

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CEO Severance USEx. 10(d)

7. Release.

Executive hereby releases Company, and all successors, subsidiaries, and affiliates of Company, and all officers, directors, employees, agents, and shareholders of Company, and each of them, from any and all claims, liability, demands, rights, damages, costs, attorneys’ fees, and expenses of whatever nature that exist as of the date of execution of this Release Agreement, whether known or unknown, foreseen or unforeseen, asserted or unasserted, including, but not limited to, all claims arising out of Executive’s employment and/or Executive’s termination from employment, and including all claims arising out of applicable state and federal laws, Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act, the Americans with Disabilities Act, the Employee Retirement Income Security Act of 1974, state and federal Family Leave Acts, and any other applicable tort, contract, or other common law theories; provided, however, that this release shall not extend to any compensatory payments or other benefits due to Executive following the expiration of the Revocation Period pursuant to the terms and conditions of any applicable benefit plans, programs and agreements maintained by Company for the benefit of Executive or to which Company and Executive are parties.

8. Confidentiality Agreement.

8.1Company’s Confidential Information.  During the course of performing Executive’s duties as a Company employee, Executive was exposed to and acquired Company’s Confidential Information.  As used herein, “Confidential Information” refers to any and all information of a confidential, proprietary, or trade secret nature that is maintained in confidence by Company for the protection of its business.  Confidential Information includes, but is not limited to, Company’s information about or related to (i) any current or planned products, (ii) research and development or investigations related to prospective products, (iii) proprietary software and systems, (iv) suppliers or customers, (v) cost information, profits, sales information, and accounting and unpublished financial information, (vi) business and marketing plans and methods, and (vii)  any other information not generally known to the public that, if misused or disclosed to a competitor, could reasonably be expected to adversely affect the Company.

8.2Nondisclosure of Confidential Information.  Executive acknowledges that the Confidential Information is a special, valuable, and unique asset of Company.  Executive agrees to keep in confidence and trust all Confidential Information for so long as such information is not generally known to the public or to persons outside Company who could obtain economic value from its use.  Executive agrees that Executive will not directly or indirectly use the Confidential Information for the benefit of Executive or any other person or entity.

9. Nonsolicitation.

9.1 Nonsolicitation of Employees.Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any employee of Company, any successor corporation, or a subsidiary of Company to work for Executive or any competing company or competing business organization.

9.2Nonsolicitation of Customers and Vendors.  Executive agrees that for a period of two (2) years following the Termination Date, Executive shall not directly or indirectly solicit or attempt to induce any customer, vendor, or supplier of Company to end its relationship with Company and/or conduct business with Executive or any entity in which Executive has a financial interest.

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CEO Severance USEx. 10(d)

10. Non-competition.

Executive agrees that for a period of one (1) year following the Termination Date, Executive shall not directly or indirectly, whether as an employee, officer, director, shareholder, agent, or consultant, engage or participate in any business that competes with Company, provided that nothing in this Section 10 shall preclude Executive from (i) performing any services on behalf of an investment banking, commercial banking, auditing, or consulting firm or (ii) investing five percent (5%) or less in the common stock of any publicly traded company, provided such investment does not give Executive the right or ability to control or influence the policy decisions of any competing business.  

11. Review and Rescission Rights.

Executive has forty-five (45) days from the Date of this Agreement (the “Review Period”) within which to decide whether to sign this Release Agreement.  If Executive signs this Release Agreement, Executive may revoke this Release Agreement if, within seven (7) days after signing (the “Revocation Period”), Executive delivers notice in writing to an Executive Compensation Manager of Company.  

This Release Agreement will not become effective, and the Severance Benefits dependent on the execution of this Release Agreement will not become payable, until this Release Agreement is signed, the Revocation Period expires, and Executive has not exercised the right to revoke this Release Agreement.

Executive may sign this Release Agreement prior to the end of the forty-five (45) day Review Period, thereby commencing the seven (7) day Revocation Period.  Whether Executive decides to sign before the end of the Review Period is entirely up to Executive.  

Executive will receive the same severance payments regardless of when Executive signs this Release Agreement, as long as Executive signs prior to the end of the Review Period and does not revoke this Release Agreement.

Executive acknowledges that Executive’s release of rights is in exchange for Severance Benefits to which Executive otherwise legally would not be entitled.

12. Advice of Counsel.

Executive acknowledges that Executive has been advised to consult with an attorney before signing this Release Agreement.

13. Disputes.

Any dispute or claim that arises out of or relates to this Release Agreement shall be resolved in accordance with the provisions of Article 7 of the Severance Agreement.  Notwithstanding the provisions of this Section 13, any claim by Company for injunctive relief under the provisions of Section 8, 9, or 10 herein, or any subparts thereof, shall not be subject to the terms of this Section 13.

14. Governing Law; Venue.

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CEO Severance USEx. 10(d)

To the extent not preempted by the laws of the United States, Washington law governs this Release Agreement, notwithstanding its choice of law rules.Each of the parties submits to the exclusive jurisdiction of any state or federal court sitting in King County, Washington in any action or dispute arising out of or relating to this Release Agreement and agrees that all claims in respect of such action or dispute may be heard and determined in any such court.  Each party also agrees not to bring any action or proceeding arising out of or relating to this Release Agreement in any other court.  Each of the parties waives any defense of inconvenient forum to the maintenance of any action or dispute so brought and waives any bond, surety, or other security that might be required of any other party with respect thereto.

15. Entire Agreement.

All of the parties’ agreements, covenants, representations, and warranties, express or implied, oral or written, concerning the subject matter of this Release Agreement are contained in this Release Agreement.  All prior and contemporaneous conversations, negotiations, agreements, representations, covenants, and warranties concerning the subject matter of this Release Agreement are merged into this Release Agreement.  This is an integrated agreement.

16. Miscellaneous.

The benefits and obligations of this Release Agreement shall inure to the successors and assigns of the parties.  The parties acknowledge that the only consideration for this Release Agreement is the consideration expressly described herein, that each party fully understands the meaning and intent of this Release Agreement, that this Release Agreement has been executed voluntarily, and that the terms of this Release Agreement are contractual.

17. Severability.

Executive agrees that each provision in this Release Agreement will be treated as a separate and independent clause, and the enforceability of any one clause will in no way impair the enforceability of any of the other clauses in this Release Agreement.  Moreover, if one or more of the provisions contained in this Release Agreement, whether for the benefit of Executive or Company, are for any reason held to be excessively broad as to scope, activity, or subject so as to be unenforceable at law, such provision or provisions will be construed by limiting and reducing it or them, so as to be enforceable to the maximum extent compatible with the applicable law as it then appears.  

18. Section and Paragraph Titles.

Section and paragraph titles in this Release Agreement are used for convenience only and are not intended to and shall not in any way enlarge, define, limit, or extend the rights or obligations of the parties or affect the interpretation of this Release Agreement.

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CEO Severance USEx. 10(d)

WEYERHAEUSER COMPANY

By:Date:_________________

Title:

[NAME OF EXECUTIVE]

______________________________________Date:_________________

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EX-10.(U)

Ex. 10(u)

Weyerhaeuser Company

Amended and Restated Annual Incentive Plan for Salaried Employees

(As Amended Effective February 14, 2020)

This document contains the terms of the Weyerhaeuser Company Amended and Restated Annual Incentive Plan for Salaried Employees, as amended effective February 14, 2020 (the “Plan”).

1. Purpose and Plan Objectives

The purpose of the Plan is to align rewards with the Company’s vision and strategies, and motivate Participants to achieve top performance in the industry. Participants are eligible to receive incentive awards based on their performance and the performance of their respective Business Group or Organization.

The Plan is designed to accomplish the following objectives:

● motivate Participants to achieve Company and business objectives;

● provide a competitive range of performance and payout opportunities;

● attract, retain and motivate Participants by providing opportunities to earn better-than-competitive total pay for better-than-competitive performance results;

● align the interests of Participants to promote the Company’s philosophy of managing each business independently to achieve top quartile performance and cost of capital returns; and

● ensure strong linkage of pay to performance.

2. Definitions

(a) “Award Year” is each calendar year or other annual performance period determined by the Compensation Committee for which a Participant may earn a Bonus Award.

(b) “Base Salary” is a Participant’s annual rate of pay measured as of the last day of an Award Year, excluding all other pay elements (such as bonus payments and relocation allowances). For a Participant who becomes ineligible for the Plan during the Award Year and is eligible for a pro-rated Bonus Award pursuant to the criteria specified in the Plan, Base Salary is the Participant’s annual rate of pay measured as of the last day during the Award Year that he or she was eligible for the Plan.

(c) “Bonus Award” is the amount of bonus granted to a Participant for each Award Year as determined under the terms of the Plan.

(d) “Business Group” means a business that separately earns revenues and incurs expenses, that regularly is reviewed by and subject to different performance standards by the Chief Executive Officer or executive officers of the Company, or such other business operating group or division within the Company as established from time to time by the Compensation Committee.

(e) “Business Group Funding Amount” has the meaning specified in Section 5.

(f) “Business Metric Funding Curves” has the meaning specified in Section 5.

(g) “Company”means, collectively, Weyerhaeuser Company and each of its subsidiariesthatparticipate in the Plan.

(h) “Compensation Committee” is the Compensation Committee of the Board of Directors of Weyerhaeuser Company.

(i) “Controllable Business Metrics” has the meaning specified in Section 5.

(j) “Corporate Group” means any Organization that is not part of a Business Group and any member of the Senior Management Team to whom such an Organization reports directly.

(k) “Corporate Group Funding Amount” has the meaning specified in Section 5.

(l) “Disability” is a medical condition for which a Participant is entitled to Company-paid long-term disability benefits and as a result of which a Participant is required to terminate his or her employment.

(m) “Employee” is any person who is classified by the Company as actively employed by the Company, including any such person on leave with pay or suspended (unless such suspension arises from a disciplinary matter due to attendance, misconduct or performance) and who is compensated on a salaried basis (exempt or non-exempt) as reflected on the Company’s payroll records.

(n) “Financial Funding Curves” has the meaning specified in Section 5.

(o) “Financial Performance Metrics” has the meaning specified in Section 5.

(p) “Funding Multiples” has the meaning specified in Section 5.

(q) “Organization” is a corporate support function group or a discrete support function included in the Corporate Group.

(r) “Participant” means an Employee who is eligible for and participates in the Plan pursuant to the terms of Section 3.

(s) “Plan” has the meaning given in the introduction above.

(t) “Retirement” means, with respect to a Participant, his or her “Normal Retirement” or “Early Retirement” as defined in the Weyerhaeuser Pension Plan, as amended from time to time.

(u) “Senior Management Team” means any officer that reports to Weyerhaeuser Company’s Chief Executive Officer or that is otherwise designated as such from time to time by Weyerhaeuser Company’s Chief Executive Officer or Senior Vice President of Human Resources (or similar position).

3. Eligibility

Subject to the terms and conditions of the Plan, each Employee is eligible to participate in the Plan, except as follows:

(a) an Employee who is classified by the Company as a temporary employee;

2

(b) a person who the Company classifies as an independent contractor but whois reclassified by a courtorgovernmental agency(through a settlement, judgment or otherwise)as a common law employee; or

(c) an Employee who is eligible for another annual or short-term incentive plan offered by Weyerhaeuser Company or any of its subsidiaries.

The Compensation Committee may designate any other Employee of the Company or any other person as eligible to participate in the Plan.  Eligibility to participate in the Plan does not entitle any Employee to participate in the Plan or to receive a Bonus Award in any specific amount for any Award Year.

4. Target Bonus Percentage and Amount

The Company assigns Employee positions within the Company a target bonus percentage for each Award Year expressed as a percentage of Base Salary. The target bonus percentage is fixed for each Participant as of December 31 of each Award Year, without regard to any position changes during the Award Year, except as approved by the Compensation Committee.

A Participant’s target bonus amount for the Award Year is calculated by multiplying his or her target bonus percentage by his or her Base Salary. Overtime paid during the year to a Participant who is a non-exempt salaried Employee will be added to his or her Base Salary for purposes of calculating his or her target bonus amount.

The target bonus amount for a new Participant during the Award Year will be prorated on a time-in-eligible position basis. The target bonus amount for a Participant whose employment terminates during the Award Year will be calculated on a time-in-eligible position basis, but only if such termination is for any of the following reasons as classified by the Company: death, Disability, facility closure, health reasons, reduction in force, sale of facility or Retirement. A Participant whose employment terminates during the Award Year for any other reason will be ineligible for a Bonus Award.

5. Funding, Allocation and Individual Bonus Awards

Financial Performance Metrics — Following the beginning of each Award Year, the Compensation Committee will establish an annual funding schedule for each Business Group, which will consist of the Financial Funding Curves performance levels for threshold, target and maximum funding of the financial target weighting portion of the Plan.  The Financial Funding Curves performance measures shall be based on any objective and measurable financial metrics established by the Compensation Committee (“Financial Performance Metrics”).  The factors considered by the Compensation Committee in setting the required Financial Funding Curves performance levels may include, but are not limited to, dividend requirements, interest, cost of capital, and relative performance compared to appropriate peer groups.

Controllable Business Metrics — Following the beginning of each Award Year, the Compensation Committee will approve the Business Metric Funding Curves that will be used to measure the performance levels of each Business Group during an Award Year for the controllable business metrics weighting portion of the Plan. The controllable business metrics performance measures shall be any objective and measurable business metrics established by the

3

Compensation Committee and may include, but are not limited to,measuresrelating tocost reduction, human capital management, relative competitive performance, cash generation or earnings improvement(“Controllable Business Metrics”).

Funding Multiples — Following the beginning of each Award Year, the Compensation Committee will approve the Funding Multiple that will be applied for each performance level on the Financial Funding Curves and the Business Metric Funding Curves. For illustrative purposes only, the Funding Multiples for an Award Year may be represented in a schedule such as the following:

Financial Performance Metrics		Controllable Business Metrics
Threshold	0.2x	Low Achieves (Threshold)	0.5x
Target	1.0x	Achieves	1.0x
Maximum	2.0x	Exceeds	2.0x

Business Group Funding Amount — The total funding amount for Bonus Awards for each Award Year will be calculated separately for each Business Group at the end of each Award Year as follows: one portion of the total funding amount will be determined based on the Financial Performance Metrics achieved by the Business Group at the end of the Award Year multiplied by the appropriate Funding Multiple approved for the Financial Funding Curves; and the second portion of the total funding amount will be determined based on the assessment of the performance of the Business Group against its Controllable Business Metrics for the Award Year, multiplied by the appropriate Funding Multiple approved for the Business Metric Funding Curves (the “Business Group Funding Amount”). The performance of the Business Group against its Controllable Business Metrics will be determined by the Chief Executive Officer of the Company and other designated members of the Senior Management Team.  Following the beginning of each Award Year, the Compensation Committee will approve the weighting percentages for the portion of the total funding amount attributable to the Financial Performance Metrics and the Controllable Business Metrics, respectively.  The total funding amount for any Business Group will be the Business Group Funding Amount for that Business Group multiplied by the aggregate target bonus amounts of all Participants in the Business Group.

Corporate Group Funding Amount — The total funding amount for Bonus Awards for each Award Year will be calculated for the Corporate Group at the end of each Award Year based on the weighted average of each Business Group Funding Amount as approved by the Compensation Committee (the “Corporate Group Funding Amount”).

Allocation of Total Corporate Group Funding Amount — The total Corporate Group Funding Amount for the Award Year will be allocated among each Organization within the Corporate Group based on the ratio of: (i) the sum of the target bonus amounts of all Participants who are members of each such Organization, multiplied by the appropriate Funding Multiple; to (ii) the total Corporate Group Funding Amount for the Award Year.

Funding Amounts for Certain Executive Officers — Unless otherwise determined by the Compensation Committee, Bonus Awards for the Chief Executive Officer, and for each

4

executive officer to whom other executive officers report or who does not have either a Business Group or Organization reporting directly to him or her, will be determined in a manner consistent with the calculation of the Corporate Group Funding Amount.

Change of Business Group or Organization — Any Participant who transferred from one Business Group or Organization to another Business Group or Organization during the Award Year will be included in the Business Group or Organization to which the Participant is assigned as of the last day of the Award Year, except as otherwise determined by the Compensation Committee.

Individual Bonus Awards — The senior officer of each Business Group or Organization will recommend a Bonus Award amount, if any, for each Participant in his or her Business Group or Organization. Unless otherwise determined by the Compensation Committee, the maximum Bonus Award that may be recommended (and earned) for any Participant with respect to the Award Year is three times (3x) the Participant’s target bonus amount; provided, however, that the maximum Bonus Award that may be recommended (and earned) for any Participant who is a member of the Senior Management Team or the Chief Executive Officer with respect to the Award Year is two times (2x) such Participant’s target bonus amount. The sum of all recommended individual Bonus Awards within the Business Group or Organization may not exceed the Business Group or Organization’s allocated funding amount. A Participant’s recommended Bonus Award may be based on the individual’s performance, plant or department performance, or other relevant factors determined by the senior officer in his or her sole discretion.

6. Approval of Awards

The Compensation Committee will approve all Bonus Awards for each executive officer and the total funding amount for each Business Group and Organization. In approving any Bonus Award, the Compensation Committee reserves the right to decrease or, subject to Section 13, increase, the recommended Bonus Award for performance or any other reason. For all other Participants, the Chief Executive Officer and/or Senior Vice President, Human Resources (or similar position) will approve all Bonus Awards based on the individual Bonus Award recommendations made by the applicable senior officers pursuant to Section 5.  In approving any Bonus Award for Participants other than the executive officers, the Chief Executive Officer and/or Senior Vice President, Human Resources (or similar position) reserve the right to increase or decrease the recommended Bonus Award for performance or any other reason.

7. Timing of payments and approvals

Payments of Bonus Awards will be made as soon as administratively reasonable after the last day of each Award Year, but in no event later than the immediately next March 15. Some Participants may be eligible to defer Bonus Award payments. The availability and terms and conditions of any such deferral are determined by the Weyerhaeuser Company Deferred Compensation Plan.

All payments of Bonus Awards will be made in cash in a single sum and subject to appropriate tax and other required withholding and reporting. Bonus Award payments will be managed, processed and tracked by the Compensation and Benefits Department.

5

Any Bonus Award remaining unpaid due to the death of a Participant will be paid to the Participant’s legal representative or to a beneficiary designated by the Participant in accordance with rules established by the Compensation Committee.

8. Right to amend or terminate

Weyerhaeuser Company reserves the right to amend or terminate the Plan at any time without prior notice to any Participant.  The Plan will be deemed to be amended, and any Bonus Awards will be deemed to be modified, to the extent permitted by and necessary to be exempt from the requirements of Section 409A of the Internal Revenue Code of 1986, as amended (“Section 409A”), so as to avoid or mitigate any adverse tax consequences to Weyerhaeuser Company, its subsidiaries or Participants under Section 409A.  Weyerhaeuser Company and its subsidiaries do not make any representations, and will not be liable for any taxes or other losses, with respect to Section 409A.

9. Continuation rights

No Participant or his or her legal representatives, beneficiaries or heirs will have any right or interest in the Plan or in its continuance, or in the Participant’s continued participation in the Plan.

10. Plan administration

The Compensation Committee is responsible for the administration of the Plan.  The Compensation Committee has sole discretion to construe and interpret the provisions of the Plan, to adopt rules and administrative procedures in connection with the Plan, and to make all final determinations regarding eligibility and benefits under the Plan.  The Compensation Committee may delegate some or all administrative responsibility and functions to such other person or persons as it may determine from time to time.  The Plan is intended to be exempt from the requirements of Section 409A and will be interpreted and administered accordingly.

11. Miscellaneous

Bonus Award payments will be treated as compensation for purposes of other benefits maintained by the Company only to the extent provided under the terms of the governing documents for such other benefits.

Nothing in the Plan will be construed to limit the right of the Company to establish, alter or terminate any other forms of incentives or other compensation or benefits.

The existence of the Plan does not extend to any Participant a right to continued employment with the Company.

Any Bonus Award paid under the Plan is an unfunded obligation of the Company. The Company is not required to segregate any monies from its general funds, to create any trust or to make any special deposits with respect to this obligation. The creation or maintenance of any account with the Company’s general funds with respect to the Plan shall not create or constitute a trust or create any vested interest in any Participant or his or her beneficiary or creditors in any assets of the Company. No right or interest conferred on any Participant pursuant to the Plan shall be assignable or transferable, either by voluntary or involuntary act or by operation of law.

6

Regardless of the location of any Participant or Employee, the Plan will be governed by the laws of the State of Washington, other than its conflict of laws principles.

12. Clawback Policy

The Plan is subject to the terms and conditions of the Weyerhaeuser Company Incentive Compensation Clawback Policy, as now in effect or hereinafter amended, and any successor plan.

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EX-21

EXHIBIT 21

WEYERHAEUSER COMPANY AND SUBSIDIARIES

Name	State or Country of Incorporation
Weyerhaeuser NR Company	Washington
B&C Water Resources, LLC	Delaware
D&E Water Resources, LLC	Delaware
Greenway Properties, LLC	Maine
Highland Mineral Resources, LLC	Delaware
King Road Aggregates LLC	Delaware
ver Bes' Insurance Company	Vermont
Weyerhaeuser Asset Management LLC	Delaware
Weyerhaeuser Realty Investors, Inc.	Washington
Weyerhaeuser International, Inc.	Washington
Weyerhaeuser China, Ltd.	Washington
Weyerhaeuser Company Limited	Canada
317298 Saskatchewan Ltd.	Saskatchewan
Weyerhaeuser (Carlisle) Ltd.	Barbados
Camarin Limited	Barbados
Weyerhaeuser Japan Ltd.	Japan
Weyerhaeuser Japan Ltd.	Delaware
WREDCO I LLC	Delaware
WREDCO II LLC	Delaware
Weyerhaeuser SC Company	Washington
Weyerhaeuser Services, Inc.	Delaware
Weyerhaeuser WPF LLC	Washington
WY Georgia Holdings 2004 LLC	Delaware

EX-23

EXHIBIT 23

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Weyerhaeuser Company:

We consent to the incorporation by reference in the registration statement (No. 333-225502 on Form S-3 and Nos. 333-209617, 333-183980, 333-182810, 333-188256, 333-182224 on Form S-8) of Weyerhaeuser Company of our reports dated February 14, 2020, with respect to the consolidated balance sheets of Weyerhaeuser Company as of December 31, 2019 and 2018, the related consolidated statements of operations, comprehensive income, cash flows, and changes in equity, for each of the years in the three-year period ended December 31, 2019, and the related notes (collectively, the consolidated financial statements), and the effectiveness of internal control over financial reporting as of December 31, 2019, which reports appear in the December 31, 2019 annual report on Form 10-K of Weyerhaeuser Company.

/s/ KPMG LLP

Seattle, Washington

February 14, 2020

EX-31.(A)

EXHIBIT 31(a)

Certification Pursuant to Rule 13a-14(a)

Under the Securities Exchange Act of 1934

As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Devin W. Stockfish, certify that:

1. I have reviewed this annual report on Form 10-K of Weyerhaeuser Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 14, 2020
	/s/    DEVIN W. STOCKFISH
	Devin W. Stockfish
	President and Chief Executive Officer

EX-31.(B)

EXHIBIT 31(b)

Certification Pursuant to Rule 13a-14(a)

Under the Securities Exchange Act of 1934

As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Russell S. Hagen, certify that:

1. I have reviewed this annual report on Form 10-K of Weyerhaeuser Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 14, 2020
	/s/    RUSSELL S. HAGEN
	Russell S. Hagen
	Senior Vice President and Chief Financial Officer

EX-32

EXHIBIT 32

Certification Pursuant to
18 U.S.C. Section 1350
As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley-Act of 2002, each of the undersigned officers of Weyerhaeuser Company, a Washington corporation (the “Company”), hereby certifies that:

The Company's Annual Report on Form 10-K for the year ended December 31, 2019 and dated February 14, 2020 (the “Form 10-K”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.

	/s/    DEVIN W. STOCKFISH
	Devin W. Stockfish
	President and Chief Executive Officer
Date:	February 14, 2020
	/s/    RUSSELL S. HAGEN
	Russell S. Hagen
	Senior Vice President and Chief Financial Officer
Date:	February 14, 2020

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LEASES Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019
Assets
Operating lease ROU assets	$ 120
Financing lease ROU assets	28
Total leased assets	148	$ 165
Current:
Operating lease liabilities	20
Financing lease liabilities	13
Noncurrent:
Operating lease liabilities	103
Financing lease liabilities	20
Total lease liabilities	$ 156	$ 172

XML

CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET

NOTE 19: CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET

In July 2017, we announced we were implementing a solution to address concerns regarding our TJI® Joists coated with our former Flak Jacket® Protection product. This issue was isolated to Flak Jacket product manufactured after December 1, 2016 and did not affect any of our other products.

During the year ended December 31, 2019, we received and recorded an insurance recovery of $68 million related to our remediation efforts. In addition, we recorded insurance recoveries of $25 million and product remediation charges of $25 million during the year ended December 31, 2018. During the year ended December 31, 2017, we recorded $290 million for expected costs associated with the remediation. The charges and recoveries recorded are attributable to our Wood Products segment and were recorded in "Charges (recoveries) for product remediation, net" on the Consolidated Statement of Operations.

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CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS - Additional Information (Details) $ in Millions		3 Months Ended	12 Months Ended
	Dec. 17, 2019 a	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Restructuring Cost And Reserve [Line Items]
Impairment charges		$ 80	$ 80
Asset Impairment Charges			80	$ 1	$ 154
Montana
Restructuring Cost And Reserve [Line Items]
Impairment charges			80
Number of acers of timberlands agreed to be sold | a	630,000
Cash purchase price of assets to be disposed of			145
Timberlands
Restructuring Cost And Reserve [Line Items]
Impairment charges			$ 80
Asset Impairment Charges					147
Plum Creek
Restructuring Cost And Reserve [Line Items]
Total charges for termination benefits					34
Other Closures and Restructuring
Restructuring Cost And Reserve [Line Items]
Total charges for other restructuring and closure costs					$ 6

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LINES OF CREDIT

12 Months Ended

Dec. 31, 2019

Short Term Debt Other Disclosures [Abstract]

LINES OF CREDIT

NOTE 11: LINE OF CREDIT

OUR LINE OF CREDIT

In March 2017, we entered into a $1.5 billion five-year senior unsecured revolving credit facility that expires in March 2022. Borrowings are at LIBOR plus a spread or at other interest rates mutually agreed upon between the borrower and the lending banks. As of December 31, 2019, we had $230 million of outstanding borrowings on the revolving credit facility and had an additional $1270 million available. As of December 31, 2018, we had $425 million of outstanding borrowings on the revolving credit facility. We were in compliance with the revolving credit facility covenants as of December 31, 2019 and December 31, 2018.

In January 2020, we amended and restated our $1.5 billion five-year senior unsecured revolving credit facility, which now expires in January 2025. Borrowings are at LIBOR plus a spread or at other interest rates mutually agreed upon between the borrower and the lending banks.

LETTERS OF CREDIT AND SURETY BONDS

The amounts of letters of credit and surety bonds we have entered into as of the end of the last two years are included in the following table:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Letters of credit	$	35	$	38
Surety bonds	$	127	$	123

Our compensating balance requirements for our letters of credit were $3 million and $6 million as of December 31, 2019 and December 31, 2018, respectively.

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INCOME TAXES - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 21	$ (69)	$ 10
State	1	(5)	0
Foreign	10	61	82
Total current	32	(13)	92
Deferred:
Federal	(137)	45	61
State	(31)	12	(18)
Foreign	(1)	15	(1)
Total deferred	(169)	72	42
Total income tax provision (benefit)	$ (137)	$ 59	$ 134

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SHAREHOLDERS' INTEREST

12 Months Ended

Dec. 31, 2019

Stockholders Equity Note [Abstract]

SHAREHOLDERS' INTEREST

NOTE 15: SHAREHOLDERS’ INTEREST

This note provides details about:

• preferred and preference shares,

• common shares,

• share repurchase programs and

• accumulated other comprehensive loss.

PREFERRED AND PREFERENCE SHARES

We had no preferred shares or preference shares outstanding as of December 31, 2019, or December 31, 2018. We have authorization to issue 7 million preferred shares with a par value of $1.00 per share and 40 million preference shares with a par value of $1.00 per share.

COMMON SHARES

The number of common shares we have outstanding changes when:

• new shares are issued,

• stock options are exercised,

• restricted stock units or performance share units vest,

• stock equivalent units are paid out,

• shares are tendered,

• shares are repurchased or

• shares are canceled.

Reconciliation of Our Common Share Activity

SHARES IN THOUSANDS
	2019			2018			2017
Outstanding at beginning of year		746,391			755,223			748,528
Stock options exercised		660			2,026			5,970
Issued for vested restricted stock units		480			466			605
Issued for vested performance share units		118			86			120
Repurchased		(2,349	)		(11,410	)		—
Outstanding at end of year		745,300			746,391			755,223

SHARE REPURCHASE PROGRAMS

On February 7, 2019, our board of directors terminated the 2016 Repurchase Program and approved a new share repurchase program (the 2019 Repurchase Program) under which we are authorized to repurchase up to $500 million of outstanding shares.

During 2019, we repurchased over 2.3 million shares of common stock for approximately $60 million (including transaction fees) under the 2019 Repurchase Program. As of December 31, 2019, we have remaining authorization of $440 million for future stock repurchases.

During 2018, we repurchased over 11.4 million shares of common stock for approximately $366 million (including transaction fees) under the 2016 Repurchase Program. As of December 31, 2018, we had remaining authorization of $135 million for future stock repurchases.

We did not repurchase any shares of common stock during 2017.

All common stock repurchases under the 2016 and 2019 Repurchase Programs were made in open-market transactions.

We record share repurchases upon trade date as opposed to the settlement date when cash is disbursed. We record a liability to account for repurchases that have not been cash settled. There were no unsettled repurchases as of December 31, 2019, or December 31, 2018.

ACCUMULATED OTHER COMPREHENSIVE LOSS

Changes in amounts included in our accumulated other comprehensive loss by component are:

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Pension(1)
Balance at beginning of period	$	(1,343	)	$	(1,810	)	$	(1,660	)
Other comprehensive income (loss) before reclassifications		(216	)		388			(282	)
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)(3)		431			325			132
Total other comprehensive income (loss)		215			713			(150	)
Reclassification of certain effects due to tax law changes(4)		—			(246	)		—
Balance at end of period		(1,128	)		(1,343	)		(1,810	)
Other Postretirement Benefits(1)
Balance at beginning of period		(19	)		(25	)		(38	)
Other comprehensive income (loss) before reclassifications		6			13			14
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)		1			—			(1	)
Total other comprehensive income (loss)		7			13			13
Reclassification of certain tax effects due to tax law changes(4)		—			(7	)		—
Balance at end of period		(12	)		(19	)		(25	)
Translation Adjustments and Other
Balance at beginning of period		210			273			239
Translation adjustments		26			(54	)		34
Total other comprehensive income (loss)		26			(54	)		34
Reclassification of accumulated unrealized gains on available-for-sale securities(5)		—			(9	)		—
Balance at end of period		236			210			273
Accumulated other comprehensive loss, end of period	$	(904	)	$	(1,152	)	$	(1,562	)

(1) Amounts are presented net of tax.

(2) Amounts of actuarial loss and prior service (cost) credit are components of net periodic benefit cost (credit). See Note 9: Pension and Other Postretirement Benefit Plans.

(3) Amounts include settlement charges totaling $455 million and $200 million related to our pension plans for the years ended December 31, 2019 and December 31, 2018, respectively. See Note 9: Pension and Other Postretirement Benefit Plans for further detail.

(4) During 2018, we reclassified certain tax effects from tax law changes of $253 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2018-02.

(5) During 2018, we reclassified accumulated unrealized gains on available-for-sale securities of $9 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2016-01.

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SHAREHOLDERS' INTEREST (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders Equity Note [Abstract]

Reconciliation of Our Common Share Activity

Reconciliation of Our Common Share Activity

SHARES IN THOUSANDS
	2019			2018			2017
Outstanding at beginning of year		746,391			755,223			748,528
Stock options exercised		660			2,026			5,970
Issued for vested restricted stock units		480			466			605
Issued for vested performance share units		118			86			120
Repurchased		(2,349	)		(11,410	)		—
Outstanding at end of year		745,300			746,391			755,223

Changes in Amounts Included in Our Accumulated Other Comprehensive Loss

Changes in amounts included in our accumulated other comprehensive loss by component are:

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Pension(1)
Balance at beginning of period	$	(1,343	)	$	(1,810	)	$	(1,660	)
Other comprehensive income (loss) before reclassifications		(216	)		388			(282	)
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)(3)		431			325			132
Total other comprehensive income (loss)		215			713			(150	)
Reclassification of certain effects due to tax law changes(4)		—			(246	)		—
Balance at end of period		(1,128	)		(1,343	)		(1,810	)
Other Postretirement Benefits(1)
Balance at beginning of period		(19	)		(25	)		(38	)
Other comprehensive income (loss) before reclassifications		6			13			14
Amounts reclassified from accumulated other comprehensive income (loss) to earnings(2)		1			—			(1	)
Total other comprehensive income (loss)		7			13			13
Reclassification of certain tax effects due to tax law changes(4)		—			(7	)		—
Balance at end of period		(12	)		(19	)		(25	)
Translation Adjustments and Other
Balance at beginning of period		210			273			239
Translation adjustments		26			(54	)		34
Total other comprehensive income (loss)		26			(54	)		34
Reclassification of accumulated unrealized gains on available-for-sale securities(5)		—			(9	)		—
Balance at end of period		236			210			273
Accumulated other comprehensive loss, end of period	$	(904	)	$	(1,152	)	$	(1,562	)

(1) Amounts are presented net of tax.

(2) Amounts of actuarial loss and prior service (cost) credit are components of net periodic benefit cost (credit). See Note 9: Pension and Other Postretirement Benefit Plans.

(3) Amounts include settlement charges totaling $455 million and $200 million related to our pension plans for the years ended December 31, 2019 and December 31, 2018, respectively. See Note 9: Pension and Other Postretirement Benefit Plans for further detail.

(4) During 2018, we reclassified certain tax effects from tax law changes of $253 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2018-02.

(5) During 2018, we reclassified accumulated unrealized gains on available-for-sale securities of $9 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet in accordance with ASU 2016-01.

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LINES OF CREDIT (Tables)

12 Months Ended

Dec. 31, 2019

Short Term Debt Other Disclosures [Abstract]

Letters of Credit and Surety Bonds

LETTERS OF CREDIT AND SURETY BONDS

The amounts of letters of credit and surety bonds we have entered into as of the end of the last two years are included in the following table:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Letters of credit	$	35	$	38
Surety bonds	$	127	$	123

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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Domestic and Foreign Earnings (Loss) Before Income Taxes

Domestic and Foreign Earnings (Loss) Before Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018		2017
Domestic earnings (loss)	$	(268	)	$	556	$	643
Foreign earnings		55			251		73
Total earnings (loss) before income taxes	$	(213	)	$	807	$	716

Provision (Benefit) for Income Taxes

Provision (Benefit) for Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Current:
Federal	$	21		$	(69	)	$	10
State		1			(5	)		—
Foreign		10			61			82
Total current		32			(13	)		92
Deferred:
Federal		(137	)		45			61
State		(31	)		12			(18	)
Foreign		(1	)		15			(1	)
Total deferred		(169	)		72			42
Total income tax provision (benefit)	$	(137	)	$	59		$	134

Effective Income Tax Rate Applicable

Effective Income Tax Rate

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
U.S. federal statutory income tax	$	(45	)	$	170		$	250
State income taxes, net of federal tax benefit		(31	)		8			(2	)
REIT income not subject to federal income tax		(68	)		(116	)		(198	)
SDT settlement(1)		—			21			—
Tax effect of U.S. corporate rate change(2)		—			—			74
Voluntary pension contribution(3)		—			(41	)		—
Return to provision adjustment		4			(1	)		2
Foreign taxes		(2	)		15			54
Repatriation of Canadian earnings		—			—			(22	)
Other, net		5			3			(24	)
Total income tax provision (benefit)	$	(137	)	$	59		$	134
Effective income tax rate	64.1%			7.3%			18.8%

(1) In fourth quarter 2018, we recorded tax expense of $21 million related to the settlement of a dispute with the IRS. Refer to “Resolution of IRS Matter” below for further information.

(2) In December 2017, H.R. 1 (the Tax Act) was enacted. The Tax Act contained significant changes to corporate taxation, including a reduction in the corporate tax rate from 35 percent to 21 percent. As a result of this change, we revalued our deferred tax assets and liabilities and recorded tax expense of $74 million during 2017, which reduced our net deferred tax asset.

(3) At the end of 2017, we revalued our deferred tax assets and liabilities to the 21 percent federal tax rate prescribed by the Tax Act. During 2018, we made a voluntary contribution of $300 million to our U.S. qualified pension plan. We deducted this contribution on our 2017 U.S. federal tax return at the 2017 federal tax rate of 35 percent. This resulted in an incremental $41 million tax benefit for the portion attributable to our TRSs. Refer to Note 9: Pension and Other Postretirement Benefit Plans for further information on the voluntary contribution.

Balance Sheet Classification of Deferred Income Tax Assets (Liabilities)

Balance Sheet Classification of Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Net noncurrent deferred tax asset	$	72		$	15
Net noncurrent deferred tax liability		(6	)		(43	)
Net deferred tax asset (liability)	$	66		$	(28	)

Items Included in Our Deferred Income Tax Assets (Liabilities)

Items Included in Our Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Deferred tax assets:
Pension and postretirement benefits	$	159		$	112
State tax credits		53			51
Depletion		34			41
Excess interest		55			30
Incentive compensation		17			20
Workers compensation		18			18
Net operating loss carryforwards		28			19
Other		101			96
Gross deferred tax assets		465			387
Valuation allowance		(64	)		(61	)
Net deferred tax assets		401			326
Deferred tax liabilities:
Property, plant and equipment		(224	)		(197	)
Timber installment notes		(74	)		(116	)
Other		(37	)		(41	)
Net deferred tax liabilities		(335	)		(354	)
Net deferred tax asset (liability)	$	66		$	(28	)

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SHARE-BASED COMPENSATION - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Share-based compensation expense	$ 30,000,000	$ 42,000,000	$ 40,000,000
Number of shares available for future grants under the Plan	20,000,000
Increase in number of common shares if all share-based awards were exercised or vested	28,000,000
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options	$ 4,000,000	$ 5,000,000	$ 6,000,000
Unrecognized share-based compensation cost for non-vested equity-classified share-based compensation arrangements	$ 36,000,000
Unrecognized share-based compensation costs for non-vested equity-classified share-based compensation arrangements, weighted average period for recognition	1 year 2 months 12 days
Number of common shares to be issued for directors who elected common share payments subsequent to year-end	674,000
Number of stock-equivalent units outstanding in deferred compensation accounts	788,000	788,000	804,000
Restricted stock, restricted stock units, performance shares, performance share units, or other equity grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of shares an individual may receive in one year	1,000,000
Value of awards a participant may be granted in a 12 month period	$ 10,000,000
Stock options and stock appreciation rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of shares an individual may receive in one year	2,000,000
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Weighted average grant-date fair value	$ 25.83	$ 34.19	$ 32.83
Total grant-date fair value vested	$ 18,000,000	$ 16,000,000	$ 18,000,000
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average grant-date fair value	$ 29.66	$ 35.49	$ 37.93
Total grant-date fair value vested	$ 3,000,000	$ 4,000,000	$ 4,000,000
Performance share units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Final number of shares awarded of each grant's target	0.00%
Performance share units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Final number of shares awarded of each grant's target	150.00%
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Total intrinsic value of stock options exercised	$ 5,000,000	$ 22,000,000	$ 68,000,000

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INVENTORIES Inventories (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Inventory [Line Items]
Total	$ 416	$ 389
Logs
Inventory [Line Items]
LIFO inventories	19	11
FIFO or moving average cost inventories	28	35
Lumber, plywood, panels and fiberboard
Inventory [Line Items]
LIFO inventories	82	75
Lumber, plywood, panels, fiberboard and engineered wood products
Inventory [Line Items]
FIFO or moving average cost inventories	84	86
Other products
Inventory [Line Items]
LIFO inventories	10	10
FIFO or moving average cost inventories	98	83
Materials and supplies
Inventory [Line Items]
FIFO or moving average cost inventories	$ 95	$ 89

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RELATED PARTIES - Additional Information (Details) $ in Millions	1 Months Ended	3 Months Ended			12 Months Ended
	Oct. 31, 2017 USD ($)	Sep. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) a
Related Party Transaction [Line Items]
Current restricted financial investments held by variable interest entities (Note 8)				$ 253	$ 362	$ 253
Proceeds from note receivable held by variable interest entities			$ 253
Payments related to SPE liabilities		$ 302		$ 209
Interest expense					378	375	$ 393
Proceeds from sale of Southern timberlands					297	0	203
Gain on sale of timberlands					48	0	99
Buyer-sponsored SPEs
Related Party Transaction [Line Items]
Interest income					22	34	34
Interest expense					$ 12	$ 29	$ 29
Weighted average interest rate on SPE financial investments					5.50%	5.50%
Monetization SPEs
Related Party Transaction [Line Items]
Weighted average interest rate on SPE long-term notes					5.60%	5.60%
Twin Creeks Venture
Related Party Transaction [Line Items]
Ownership interest	21.00%
Proceeds from redemption of ownership interest in related party	$ 108
Sale of Timberland acreage | a							100,000
Proceeds from sale of Southern timberlands							$ 203
Gain on sale of timberlands							$ 99
Twin Creeks Venture | Mississippi
Related Party Transaction [Line Items]
Sale of Timberland acreage | a							80,000
Twin Creeks Venture | Georgia
Related Party Transaction [Line Items]
Sale of Timberland acreage | a							20,000

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SHARE-BASED COMPENSATION - Schedule of Stock Options Activity (Details) - Stock options $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
Options
Balance, beginning of year	6,366
Exercised	(661)
Forfeited or expired	(430)
Balance, end of year	5,275
Exercisable, end of year	4,678
Number of options outstanding that have met the requisite service period and will be released as identified in the grant terms	324
Weighted Average Exercise Price
Balance, beginning of year | $ / shares	$ 26.75
Exercised | $ / shares	19.16
Forfeited or expired | $ / shares	31.63
Balance, end of year | $ / shares	27.30
Exercisable, end of year | $ / shares	$ 27.84
Weighted Average Remaining Contractual Term
Balance, end of year	4 years 7 months 9 days
Exercisable, end of year	4 years 5 months 1 day
Aggregate Intrinsic Value
Balance, end of year | $	$ 21
Exercisable, end of year | $	$ 17

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CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 6,554	$ 7,476	$ 7,196
Costs of sales	5,412	5,592	5,298
Gross margin	1,142	1,884	1,898
Selling expenses	84	88	87
General and administrative expenses	348	318	310
Charges for integration and restructuring, closures and asset impairments (Note 18)	80	2	194
Charges (recoveries) for product remediation, net (Note 19)	(68)	0	290
Other operating costs (income), net (Note 20)	47	82	(114)
Operating income	651	1,394	1,131
Non-operating pension and other postretirement benefit costs (Note 9)	(516)	(272)	(62)
Interest income and other	30	60	40
Interest expense, net of capitalized interest	(378)	(375)	(393)
Earnings (loss) before income taxes	(213)	807	716
Income taxes (Note 21)	137	(59)	(134)
Net earnings (loss)	$ (76)	$ 748	$ 582
Basic and diluted earnings (loss) per share (Note 5):	$ (0.10)	$ 0.99	$ 0.77
Weighted average shares outstanding (in thousands) (Note 5):
Basic	745,897	754,556	753,085
Diluted	745,897	756,827	756,666

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CONSOLIDATED BALANCE SHEET (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Statement Of Financial Position [Abstract]
Common shares, par value	$ 1.25	$ 1.25
Common shares, authorized	1,360,000,000	1,360,000,000
Common shares, issued	745,300,000	746,391,000
Common shares, outstanding	745,300,000	746,391,000

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DIVESTITURES AND ASSETS HELD FOR SALE Additional Information (Details) $ in Millions					3 Months Ended	12 Months Ended
	Dec. 17, 2019 USD ($) a	Nov. 13, 2019 USD ($)	Sep. 16, 2019 a	Sep. 01, 2017 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from disposition of operations (Note 4)						$ 0	$ 0	$ 403
Impairment charges					$ 80	80
Assets held for sale					$ 140	140	$ 0
Uruguay Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from disposition of operations (Note 4)				$ 403
Michigan | Lyme Timber Company LP
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of acers of timberlands agreed to be sold | a			555,000
Proceeds from disposition of operations (Note 4)		$ 297
Gain on sale of discontinued and other operations		$ 48
Montana
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of acers of timberlands agreed to be sold | a	630,000
Cash to be received from sale of timberlands	$ 145
Impairment charges						$ 80

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GEOGRAPHIC AREAS (Tables)

12 Months Ended

Dec. 31, 2019

Segments Geographical Areas [Abstract]

Sales by Geographic Area

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Sales to unaffiliated customers:
U.S.	$	5,674	$	6,365	$	6,168
Canada		440		519		472
Japan		305		410		352
China		90		120		107
Other foreign countries		45		62		97
Total	$	6,554	$	7,476	$	7,196
Export sales from the U.S.:
Japan	$	265	$	338	$	295
China		85		113		102
Other foreign countries		129		153		148
Total	$	479	$	604	$	545

Long-Lived Assets by Geographic Area

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
U.S.	$	14,074	$	14,778
Canada		275		220
Total	$	14,349	$	14,998

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BUSINESS SEGMENTS - Reconciliation of Net Contribution to Earnings to Net Earnings (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation From Segment Totals To Consolidated [Abstract]
Net contribution to earnings									$ 165	$ 1,182	$ 1,109
Interest expense, net of capitalized interest									(378)	(375)	(393)
Income (loss) before income taxes									(213)	807	716
Income taxes (Note 21)									137	(59)	(134)
Net earnings (loss)	$ (14)	$ 99	$ 128	$ (289)	$ (93)	$ 255	$ 317	$ 269	$ (76)	$ 748	$ 582

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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES - Changes in the Reserve for Environmental Remediation (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Accrual For Environmental Loss Contingencies Disclosure [Abstract]
Reserve balance as of December 31, 2018	$ 62
Reserve charges and adjustments, net	4
Payments	(5)
Reserve balance as of December 31, 2019	$ 61

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Assumptions We Use in Estimating Health Care Benefit Costs (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
U.S.
Defined Benefit Plan Disclosure [Line Items]
Rate that the cost trend rate gradually declines to	4.50%	4.50%
Year the cost trend rate is reached	2037	2037
Canada
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year	5.40%	4.90%
Rate that the cost trend rate gradually declines to	4.00%	4.00%
Year the cost trend rate is reached	2039	2039
Pre Medicare | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year	7.30%	7.80%
Health Reimbursement Account | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year	4.50%	4.50%

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Reconciliation of Pension Plan Assets Measured at Level 3 Fair Value (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)	$ 330	$ 557
Net realized gains (losses)	237	238
Net change in unrealized gains (losses)	(263)	(188)
Purchases	0	5
Sales	(6)	(2)
Settlements	(237)	(237)
Transfers into Level 3	41	18
Transfers out of Level 3	(3)	(61)
Fair value of plan assets at end of year (estimated)	99	330
Hedge funds and related investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)	3	10
Net realized gains (losses)	1	0
Net change in unrealized gains (losses)	(1)	1
Purchases	0	0
Sales	(3)	0
Settlements	0	0
Transfers into Level 3	13	0
Transfers out of Level 3	0	(8)
Fair value of plan assets at end of year (estimated)	13	3
Private equity and related investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)	65	102
Net realized gains (losses)	(1)	0
Net change in unrealized gains (losses)	0	(5)
Purchases	0	5
Sales	(3)	(2)
Settlements	0	0
Transfers into Level 3	28	18
Transfers out of Level 3	(3)	(53)
Fair value of plan assets at end of year (estimated)	86	65
Derivative instruments, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)	262	445
Net realized gains (losses)	237	238
Net change in unrealized gains (losses)	(262)	(184)
Purchases	0	0
Sales	0	0
Settlements	(237)	(237)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Fair value of plan assets at end of year (estimated)	$ 0	$ 262

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LONG-TERM DEBT - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Mar. 31, 2019	Feb. 28, 2018	Mar. 31, 2019	Dec. 31, 2019	Feb. 28, 2019
Debt Instrument [Line Items]
Proceeds from debt, net of issuance costs				$ 739
Pretax charge related to early extinguishment of debt			$ 12
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 500		$ 500
Unamortized discounts, capitalized debt expense and fair value adjustments				$ 3
4.00 percent due in November 2029
Debt Instrument [Line Items]
Debt issued					$ 750
Debt instrument, interest rate, stated percentage					4.00%
Debt, maturity date				Nov. 30, 2029
7.38 percent due in October 2019
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	7.38%		7.38%
Debt, maturity date				Oct. 31, 2019
Repayments of debt	$ 500
7.00 percent debentures due 2018
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		7.00%
Repayments of debt		$ 62

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REVENUE RECOGNITION

12 Months Ended

Dec. 31, 2019

Revenue From Contract With Customer [Abstract]

REVENUE RECOGNITION

NOTE 3: REVENUE RECOGNITION

A majority of our revenue is derived from sales of delivered logs and manufactured wood products. We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the cumulative effect method. The adoption of the new revenue recognition guidance did not materially affect our Consolidated Statement of Operations, Consolidated Balance Sheet or Consolidated Statement of Cash Flows.

PERFORMANCE OBLIGATIONS

A performance obligation, as defined in ASC Topic 606, is a promise in a contract to transfer a distinct good or service to a customer. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue at the point in time, or over the period, in which the performance obligation is satisfied.

Performance obligations associated with delivered log sales are typically satisfied when the logs are delivered to our customers’ mills or delivered to an ocean vessel in the case of export sales. Performance obligations associated with the sale of wood products are typically satisfied when the products are shipped. We have elected, as an accounting policy, to treat shipping and handling that is performed after a customer obtains control of the product as an activity required to fulfill the promise to transfer the good; therefore we will not evaluate this requirement as a separate performance obligation.

Customers are generally invoiced shortly after logs are delivered or after wood products are shipped, with payment generally due within a month or less of the invoice date. ASC Topic 606 requires entities to consider significant financing components of contracts with customers, though allows for the use of a practical expedient when the period between satisfaction of a performance obligation and payment receipt is one year or less. Given the nature of our revenue transactions, we have elected to utilize this practical expedient.

Performance obligations associated with real estate sales are generally met when placed into escrow and all conditions of closing have been satisfied.

CONTRACT ESTIMATES

Substantially all of our performance obligations are satisfied as of a point in time. Therefore, there is little judgment in determining when control transfers for our business segments as described above.

The transaction price for log sales generally equals the amount billed to our customer for logs delivered during the accounting period. For the limited number of log sales subject to a long-term supply agreement, the transaction price is variable but is known at the time of billing. For wood products sales, the transaction price is generally the amount billed to the customer for the products shipped but may be reduced slightly for estimated cash discounts and rebates.

There are no significant contract estimates related to the real estate business.

CONTRACT BALANCES

In general, customers are billed and a receivable is recorded as we ship and/or deliver wood products and logs. We generally receive payment shortly after products have been received by our customers. Contract asset and liability balances are immaterial.

For real estate sales, the company receives the entire consideration in cash at closing.

MAJOR PRODUCTS

A Reconciliation of Revenue Recognized by our Major Products:

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Net sales to unaffiliated customers:
Timberlands segment(1)
Delivered logs:
West
Domestic sales	$	375	$	503	$	473
Export grade sales		365		484		442
Subtotal West		740		987		915
South		640		625		616
North(2)		92		99		95
Other(3)		—		—		23
Subtotal delivered logs sales		1,472		1,711		1,649
Stumpage and pay-as-cut timber		42		59		73
Recreational and other lease revenue		61		59		59
Other(4)		43		44		112
Net sales attributable to Timberlands segment		1,618		1,873		1,893
Real Estate & ENR segment
Real estate		225		229		208
Energy and natural resources		88		77		72
Net sales attributable to Real Estate & ENR segment		313		306		280
Wood Products segment(1)
Structural lumber		1,892		2,258		2,058
Oriented strand board		632		891		904
Engineered solid section		510		521		500
Engineered I-joists		323		336		336
Softwood plywood		161		200		176
Medium density fiberboard		166		177		183
Complementary building products		602		584		541
Other(5)		337		330		325
Net sales attributable to Wood Products segment		4,623		5,297		5,023
Total	$	6,554	$	7,476	$	7,196

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Other delivered logs included sales from timberlands managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

(4) Other Timberlands sales includes sales of seeds and seedlings from our nursery operations as well as wood chips. Prior to our Uruguay operations being divested in September 2017, sales from these operations were included within this amount as well. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(5) Other Wood Products sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations.

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PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

PROPERTY AND EQUIPMENT

NOTE 7: PROPERTY AND EQUIPMENT

Property and equipment includes land, buildings and improvements, machinery and equipment, roads and other items.

Carrying Value of Property and Equipment and Estimated Service Lives

DOLLAR AMOUNTS IN MILLIONS
	RANGE OF LIVES	DECEMBER 31, 2019			DECEMBER 31, 2018
Property and equipment, at cost:
Land	N/A	$	87		$	87
Buildings and improvements	15-40		999			942
Machinery and equipment	5-25		3,425			3,240
Roads	10-35		742			785
Other	3-10		193			179
Total cost			5,446			5,233
Accumulated depreciation and amortization			(3,477	)		(3,376	)
Property and equipment, net		$	1,969		$	1,857

SERVICE LIVES AND DEPRECIATION

In general, additions are classified into components, each with its own estimated useful life as determined at the time of purchase.

Depreciation and amortization expense for property and equipment was:

• $240 million in 2019,

• $197 million in 2018 and

• $206 million in 2017.

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REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2019

Revenue From Contract With Customer [Abstract]

Revenue by Major Products

A Reconciliation of Revenue Recognized by our Major Products:

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Net sales to unaffiliated customers:
Timberlands segment(1)
Delivered logs:
West
Domestic sales	$	375	$	503	$	473
Export grade sales		365		484		442
Subtotal West		740		987		915
South		640		625		616
North(2)		92		99		95
Other(3)		—		—		23
Subtotal delivered logs sales		1,472		1,711		1,649
Stumpage and pay-as-cut timber		42		59		73
Recreational and other lease revenue		61		59		59
Other(4)		43		44		112
Net sales attributable to Timberlands segment		1,618		1,873		1,893
Real Estate & ENR segment
Real estate		225		229		208
Energy and natural resources		88		77		72
Net sales attributable to Real Estate & ENR segment		313		306		280
Wood Products segment(1)
Structural lumber		1,892		2,258		2,058
Oriented strand board		632		891		904
Engineered solid section		510		521		500
Engineered I-joists		323		336		336
Softwood plywood		161		200		176
Medium density fiberboard		166		177		183
Complementary building products		602		584		541
Other(5)		337		330		325
Net sales attributable to Wood Products segment		4,623		5,297		5,023
Total	$	6,554	$	7,476	$	7,196

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

(2) In November 2019, we sold our Michigan timberlands. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(3) Other delivered logs included sales from timberlands managed for the Twin Creeks Venture. Our management agreement for the Twin Creeks Venture began in April 2016 and terminated in December 2017. For additional information see Note 8: Related Parties.

(4) Other Timberlands sales includes sales of seeds and seedlings from our nursery operations as well as wood chips. Prior to our Uruguay operations being divested in September 2017, sales from these operations were included within this amount as well. Refer to Note 4: Divestitures and Assets Held for Sale for further information on this divestiture.

(5) Other Wood Products sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations.

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GEOGRAPHIC AREAS

12 Months Ended

Dec. 31, 2019

Segments Geographical Areas [Abstract]

GEOGRAPHIC AREAS

NOTE 22: GEOGRAPHIC AREAS

This note provides selected key financial data according to the geographical locations of our customers.

SALES

Our sales to unaffiliated customers outside the U.S. are primarily to customers in Canada, Japan and China. Our export sales are comprised primarily of logs, lumber and wood chips to Japan and China.

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Sales to unaffiliated customers:
U.S.	$	5,674	$	6,365	$	6,168
Canada		440		519		472
Japan		305		410		352
China		90		120		107
Other foreign countries		45		62		97
Total	$	6,554	$	7,476	$	7,196
Export sales from the U.S.:
Japan	$	265	$	338	$	295
China		85		113		102
Other foreign countries		129		153		148
Total	$	479	$	604	$	545

LONG-LIVED ASSETS

Our long-lived assets used in the generation of revenues in different geographical areas are nearly all in the U.S. and Canada. Our long-lived assets primarily include:

• property and equipment, including construction in progress,

• timber and timberlands and

• minerals and mineral rights.

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
U.S.	$	14,074	$	14,778
Canada		275		220
Total	$	14,349	$	14,998

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SELECTED QUARTERLY FINANCIAL INFORMATION (unaudited) - Key Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,548	$ 1,671	$ 1,692	$ 1,643	$ 1,636	$ 1,910	$ 2,065	$ 1,865	$ 6,554	$ 7,476	$ 7,196
Operating income	89	202	186	174	177	337	476	404	651	1,394	1,131
Earnings (loss) before income taxes	(13)	102	91	(393)	(114)	240	382	299	(213)	807	716
Net earnings (loss)	$ (14)	$ 99	$ 128	$ (289)	$ (93)	$ 255	$ 317	$ 269	$ (76)	$ 748	$ 582
Basic and diluted net earnings (loss) per share	$ (0.02)	$ 0.13	$ 0.17	$ (0.39)	$ (0.12)	$ 0.34	$ 0.42	$ 0.35	$ (0.10)	$ 0.99
Dividends paid per share	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.32	$ 0.32	$ 1.36	$ 1.32	$ 1.25

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2019

Funded Status of Our Plans

The funded status of the plans we sponsor is determined by comparing the projected benefit obligation with the fair value of plan assets at the end of the year. The following table demonstrates how our plans' funded status is reflected on the Consolidated Balance Sheet.

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Funded status:
Fair value of plan assets(1)	$	3,719		$	4,930		$	19		$	18
Projected benefit obligations		(4,260	)		(5,263	)		(151	)		(166	)
Funded status		(541	)		(333	)		(132	)		(148	)
Presentation on our Consolidated Balance Sheet:
Noncurrent assets	$	47		$	74		$	—		$	—
Current liabilities		(19	)		(18	)		(8	)		(10	)
Noncurrent liabilities		(569	)		(389	)		(124	)		(138	)
Funded status	$	(541	)	$	(333	)	$	(132	)	$	(148	)

(1) Fair value of plan assets as of December 31, 2018 includes amounts associated with the $300 million voluntary contribution made during 2018 in anticipation of our 2018 term-vested lump sum and 2019 retiree annuity purchase transactions. Refer to the “Actions to Reduce Pension Plan Obligations” section for further details of this contribution and the related transactions.

Changes in Fair Value of Plan Assets

Changes in Fair Value of Plan Assets

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Fair value of plan assets at beginning of year (estimated)	$	4,930		$	5,514		$	18		$	—
Adjustment for final fair value of plan assets		16			44			—			—
Actual return on plan assets		449			123			1			—
Foreign currency translation		38			(73	)		—			—
Employer contributions and benefit payments		30			345			15			36
Plan participants’ contributions		—			—			2			4
Plan transfers		1			1			—			—
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Fair value of plan assets at end of year (estimated)	$	3,719		$	4,930		$	19		$	18

Changes in Projected Benefit Obligations of Our Pension and Other Postretirement Benefit Plans

Changes in Projected Benefit Obligations of Our Pension and Other Postretirement Benefit Plans

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Projected benefit obligation beginning of year	$	5,263		$	6,795		$	166		$	200
Service cost		32			37			—			—
Interest cost		160			236			6			7
Plan participants’ contributions		—			—			2			4
Actuarial (gains) losses		510			(718	)		(8	)		(18	)
Foreign currency translation		39			(69	)		2			(5	)
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Plan amendments and other		—			5			—			—
Plan transfers		1			1			—			—
Projected benefit obligation at end of year	$	4,260		$	5,263		$	151		$	166

Schedules of Allocation of Our Plans' Assets

The net pension plan assets, when categorized in accordance with this fair value hierarchy, are as follows. Investments valued using NAV as a practical expedient are presented to reconcile with total plan assets.

DOLLAR AMOUNTS IN MILLIONS
2019	LEVEL 1		LEVEL 2			LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	120	$	—		$	—	$	—	$	120
Fixed income investments:
Corporate		—		1,260			—		—		1,260
Government		—		941			—		—		941
Repurchase agreements		—		(176	)		—		—		(176	)
Public equity investments		4		—			—		—		4
Hedge fund and related investments		—		—			13		518		531
Private equity and related investments		—		—			86		942		1,028
Derivative instruments		—		10			—		—		10
Total pension trust investments		124		2,035			99		1,460		3,718
Accrued liabilities, net											(9	)
Pension trust net assets											3,709
Canadian nonregistered plan assets:
Cash and short-term investments		5		—			—		—		5
Public equity investments		5		—			—		—		5
Total Canadian nonregistered plan assets		10		—			—		—		10
Total plan assets										$	3,719

DOLLAR AMOUNTS IN MILLIONS
2018	LEVEL 1		LEVEL 2		LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	275	$	12	$	—	$	—	$	287
Fixed income investments:
Corporate		—		1,054		—		—		1,054
Government		—		426		—		—		426
Hedge fund and related investments		—		—		3		1,811		1,814
Private equity and related investments		—		—		65		1,014		1,079
Derivative instruments		—		15		262		—		277
Total pension trust investments		275		1,507		330		2,825		4,937
Accrued liabilities, net										(17	)
Pension trust net assets										4,920
Canadian nonregistered plan assets:
Cash and short-term investments		5		—		—		—		5
Public equity investments		5		—		—		—		5
Total Canadian nonregistered plan assets		10		—		—		—		10
Total plan assets									$	4,930

Reconciliation of Pension Plan Assets Measured at Level 3 Fair Value

A reconciliation of the beginning and ending balances of the pension plan assets measured at fair value using significant unobservable inputs (Level 3) is presented below:

DOLLAR AMOUNTS IN MILLIONS
	INVESTMENTS
	Hedge funds and related investments			Private equity and related investments			Derivative instruments, net			Total
Balance as of December 31, 2017	$	10		$	102		$	445		$	557
Net realized gains (losses)		—			—			238			238
Net change in unrealized gains (losses)		1			(5	)		(184	)		(188	)
Purchases		—			5			—			5
Sales		—			(2	)		—			(2	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		—			18			—			18
Transfers out of Level 3		(8	)		(53	)		—			(61	)
Balance as of December 31, 2018		3			65			262			330
Net realized gains (losses)		1			(1	)		237			237
Net change in unrealized gains (losses)		(1	)		—			(262	)		(263	)
Purchases		—			—			—			—
Sales		(3	)		(3	)		—			(6	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		13			28			—			41
Transfers out of Level 3		—			(3	)		—			(3	)
Balance as of December 31, 2019	$	13		$	86		$	—		$	99

Assumptions We Use in Estimating Health Care Benefit Costs

Assumptions We Use in Estimating Health Care Benefit Obligations

	2019				2018
	U.S.		CANADA		U.S.		CANADA
Weighted health care cost trend rate assumed for next year	7.30% for Pre- Medicare and 4.50% for HRA		5.40%		7.80% for Pre- Medicare and 4.50% for HRA		4.90%
Rate that the cost trend rate gradually declines to	4.50%		4.00%		4.50%		4.00%
Year the cost trend rate is reached		2037		2039		2037		2039

Net Periodic Benefit Cost (Credit)

Net Periodic Benefit Cost (Credit)

DOLLAR AMOUNTS IN MILLIONS
	PENSION									OTHER POSTRETIREMENT BENEFITS
	2019			2018			2017			2019			2018			2017
Net periodic benefit cost (credit):
Service cost	$	32		$	37		$	35		$	—		$	—		$	—
Interest cost		160			236			264			6			7			8
Expected return on plan assets		(223	)		(399	)		(409	)		—			—			—
Amortization of actuarial loss		112			225			195			7			8			8
Amortization of prior service cost (credit)		4			3			4			(5	)		(8	)		(8	)
Settlement charges		455			200			—			—			—			—
Net periodic benefit cost (credit)	$	540		$	302		$	89		$	8		$	7		$	8

Estimated Projected Benefit Payments for the Next 10 Years

Estimated Projected Benefit Payments for the Next 10 Years

DOLLAR AMOUNTS IN MILLIONS
	PENSION		OTHER POSTRETIREMENT BENEFITS
2020	$	237	$	14
2021	$	235	$	13
2022	$	236	$	13
2023	$	238	$	12
2024	$	237	$	11
2025-2029	$	1,176	$	47

Pension

Rates We Use in Estimating Our Benefit Obligations

Rates We Use in Estimating Our Benefit Obligations

	PENSION
	DECEMBER 31, 2019	DECEMBER 31, 2018
Discount rates:
United States	3.40%	4.40%
Canada	3.10%	3.70%
Lump sum distributions(1)(2)	PPA Table	PPA Table
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%
Lump sum or installment distributions election(2)	60.00%	60.00%

(1) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(2) U.S. qualified salaried and nonqualified plans only.

Estimating Our Net Periodic Benefit Costs

Estimating Our Net Periodic Benefit Costs

	PENSION
	2019	2018	2017
Discount rates:
United States(1)	4.30%	3.70%	4.30%
Canada	3.70%	3.50%	3.70%
Lump sum distributions(2)(3)	PPA Table	PPA Table	PPA Table
Expected return on plan assets:
Qualified/registered plans	7.00%	8.00%	8.00%
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%	3.50%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%	3.25%
Lump sum distributions election(3)	60.00%	60.00%	60.00%

(1) In January 2019, we transferred approximately $1.5 billion of U.S. qualified pension plan assets and liabilities to an insurance company through the purchase of a group annuity contract. The settlement of this liability triggered a plan remeasurement, which caused a change in our 2019 pension plan discount rate. The initial discount rate used to estimate our net periodic benefit costs from January 1, 2019 through January 31, 2019 was 4.40 percent. As a result of the remeasurement, the discount rate was updated to 4.30 percent for the remainder of 2019. Refer to the “Actions to Reduce Pension Plan Obligations” section above for more details of this transaction.

(2) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(3) U.S. qualified salaried and nonqualified plans only.

Qualified and Registered Plans

Schedules of Allocation of Our Plans' Assets

Assets within our qualified and registered pension plans in our U.S. and Canadian pension trusts were invested as follows:

	DECEMBER 31, 2019			DECEMBER 31, 2018
Cash and short-term investments	3.2%			5.8%
Fixed income investments:
Corporate		33.9			21.5
Government		25.4			8.6
Repurchase agreements		(4.7	)		—
Public equity investments		0.1			—
Hedge funds and related investments		14.3			36.9
Private equity and related investments		27.7			21.9
Derivative instruments, net		0.3			5.6
Accrued liabilities		(0.2	)		(0.3	)
Total	100.0%			100.0%

Qualified and Registered Plans | Derivative instruments

Schedules of Allocation of Our Plans' Assets

The table below shows the fair value and aggregate notional amount of the derivative instruments held by our pension trusts at the end of the last two years.

DOLLAR AMOUNTS IN MILLIONS
	FAIR VALUE				NOTIONAL
	DECEMBER 31, 2019		DECEMBER 31, 2018		DECEMBER 31, 2019		DECEMBER 31, 2018
Foreign currency derivatives, net	$	—	$	—	$	—	$	13
Futures contracts, net		10		15		813		1,073
Total return swaps, net		—		262		—		558
Total	$	10	$	277	$	813	$	1,644

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INCOME TAXES - Balance Sheet Classification of Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred Tax Assets Liabilities Net [Abstract]
Net noncurrent deferred tax asset	$ 72	$ 15
Net noncurrent deferred tax liability	(6)	(43)
Net deferred tax asset (liability)	$ 66	$ (28)

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SELECTED QUARTERLY FINANCIAL INFORMATION (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Key Quarterly Financial Data

Key Quarterly Financial Data

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
	FIRST QUARTER			SECOND QUARTER		THIRD QUARTER		FOURTH QUARTER			FULL YEAR
2019:
Net sales	$	1,643		$	1,692	$	1,671	$	1,548		$	6,554
Operating income	$	174		$	186	$	202	$	89		$	651
Earnings (loss) before income taxes	$	(393	)	$	91	$	102	$	(13	)	$	(213	)
Net earnings (loss)	$	(289	)	$	128	$	99	$	(14	)	$	(76	)
Basic and diluted net earnings (loss) per share	$	(0.39	)	$	0.17	$	0.13	$	(0.02	)	$	(0.10	)
Dividends paid per share	$	0.34		$	0.34	$	0.34	$	0.34		$	1.36
2018:
Net sales	$	1,865		$	2,065	$	1,910	$	1,636		$	7,476
Operating income	$	404		$	476	$	337	$	177		$	1,394
Earnings (loss) before income taxes	$	299		$	382	$	240	$	(114	)	$	807
Net earnings (loss)	$	269		$	317	$	255	$	(93	)	$	748
Basic and diluted net earnings (loss) per share	$	0.35		$	0.42	$	0.34	$	(0.12	)	$	0.99
Dividends paid per share	$	0.32		$	0.32	$	0.34	$	0.34		$	1.32

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BUSINESS SEGMENTS - Additional Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	$ 510	$ 486	$ 521
Capital expenditures	384	427	419
Operating segments | Timberlands
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	301	319	356
Capital expenditures	112	117	115
Operating segments | RE & ENR
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	14	14	15
Capital expenditures	0	0	2
Operating segments | Wood Products
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	191	149	145
Capital expenditures	257	306	299
Unallocated Items
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation, depletion and amortization	4	4	5
Capital expenditures	$ 15	$ 4	$ 3

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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Comprehensive income:
Net earnings (loss)	$ (76)	$ 748	$ 582
Other comprehensive income (loss):
Foreign currency translation adjustments	26	(54)	32
Changes in unamortized actuarial loss, net of tax (expense) benefit of ($73) in 2019, ($235) in 2018 and $2 in 2017	225	733	(132)
Changes in unamortized net prior service credit, net of tax (expense) benefit of ($1) in 2019, $3 in 2018 and $2 in 2017	(3)	(7)	(5)
Unrealized gains on available-for-sale securities	0	0	2
Total comprehensive income	$ 172	$ 1,420	$ 479

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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operations:
Net earnings (loss)	$ (76)	$ 748	$ 582
Noncash charges (credits) to income:
Depreciation, depletion and amortization	510	486	521
Basis of real estate sold	116	124	81
Deferred income taxes, net (Note 21)	(169)	72	44
Pension and other postretirement benefits (Note 9)	548	309	97
Share-based compensation expense (Note 16)	30	42	40
Charges for impairment of assets (Note 18)	80	1	154
Net gains on sale of nonstrategic assets	(5)	(16)	(16)
Net gains on sale of nonstrategic timberlands (Notes 4 and 8)	(48)	0	(99)
Change in:
Receivables, less allowances	13	62	(35)
Receivable and payable for taxes	33	(103)	(50)
Inventories	(23)	(14)	(39)
Prepaid expenses and other current assets	6	(18)	(12)
Accounts payable and accrued liabilities	37	(154)	106
Pension and postretirement contributions / benefit payments	(45)	(381)	(78)
Other	(41)	(46)	(95)
Net cash from operations	966	1,112	1,201
Cash flows from investing activities:
Capital expenditures for property and equipment	(327)	(368)	(358)
Capital expenditures for timberlands reforestation	(57)	(59)	(61)
Proceeds from note receivable held by variable interest entities (Note 8)	253	0	0
Proceeds from disposition of operations (Note 4)	0	0	403
Proceeds from sale of nonstrategic assets	6	4	26
Proceeds from sale of nonstrategic timberlands (Notes 4 and 8)	297	0	203
Proceeds from redemption of ownership in related party (Note 8)	0	0	108
Other	15	(17)	46
Net cash from investing activities	187	(440)	367
Cash flows from financing activities:
Cash dividends on common shares	(1,013)	(995)	(941)
Proceeds from issuance of long-term debt (Note 12)	739	0	225
Payments on long-term debt (Note 12)	(512)	(62)	(831)
Proceeds from borrowings on line of credit (Note 11)	1,095	425	100
Payments on line of credit (Note 11)	(1,290)	0	(100)
Payments on debt held by variable interest entities (Note 8)	(302)	(209)	0
Proceeds from exercise of stock options	13	52	128
Repurchases of common shares (Note 15)	(60)	(366)	0
Other	(18)	(7)	(1)
Net cash from financing activities	(1,348)	(1,162)	(1,420)
Net change in cash and cash equivalents	(195)	(490)	148
Cash and cash equivalents at beginning of year	334	824	676
Cash and cash equivalents at end of year	139	334	824
Cash paid (received) during the year for:
Interest, net of amounts capitalized of $5 in 2019, $9 in 2018 and $9 in 2017	370	358	381
Income taxes, net of refunds	$ (2)	$ 95	$ 169

XML

NET EARNINGS (LOSS) PER SHARE - Additional Information (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Earnings (loss) per share, basic and diluted	$ (0.10)	$ 0.99	$ 0.77

XML

FAIR VALUE OF FINANCIAL INSTRUMENTS Estimated Fair Values and Carrying Values of Long-Term Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
FAIR VALUE OF FINANCIAL INSTRUMENTS
Long-term debt (including current maturities) and line of credit, carrying value	$ 6,377	$ 6,344
Long-term debt (including current maturities) and line of credit, fair value (Level 2)	7,441	6,995
Fixed interest rate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Long-term debt (including current maturities) and line of credit, carrying value	5,922	5,694
Long-term debt (including current maturities) and line of credit, fair value (Level 2)	6,986	6,345
Variable interest rate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Long-term debt (including current maturities) and line of credit, carrying value	455	650
Long-term debt (including current maturities) and line of credit, fair value (Level 2)	$ 455	$ 650

XML

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Rates Used to Estimate Our Net Periodic Benefit Costs (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Qualified and Registered Plans
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets		7.00%
U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	4.40%	4.30%
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan		$ (1,500)
Pension
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan		$ 1	$ 1
Pension | Qualified and Registered Plans
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets		7.00%	8.00%	8.00%
Pension | U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate		4.30%	3.70%	4.30%
Lump sum distributions election		60.00%	60.00%	60.00%
Pension | U.S. | Salaried | Maximum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		13.00%	13.00%	13.00%
Pension | U.S. | Salaried | Minimum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		2.00%	2.00%	2.00%
Pension | U.S. | Hourly | Maximum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		13.00%	13.00%	13.00%
Pension | U.S. | Hourly | Minimum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		2.30%	2.30%	2.30%
Pension | Canada
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate		3.70%	3.50%	3.70%
Pension | Canada | Salaried
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		3.25%	3.25%	3.50%
Pension | Canada | Hourly
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		3.00%	3.00%	3.25%

XML

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Net Pension Plan Assets, by Fair Value Hierarchy (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3,719	$ 4,930	$ 5,514
Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,709	4,920
Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	10
Non Registered Plans | Net Asset Value | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash and short-term investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	120	287
Cash and short-term investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash and short-term investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	5
Cash and short-term investments | Non Registered Plans | Net Asset Value | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed Income Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,260	1,054
Fixed Income Investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed Income Investments, Government | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	941	426
Fixed Income Investments, Government | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed Income Investments, Repurchase Agreements | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	(176)
Fixed Income Investments, Repurchase Agreements | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Public Equity Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4
Public Equity Investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Hedge funds and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	531	1,814
Hedge funds and related investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	518	1,811
Private equity and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,028	1,079
Private equity and related investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	942	1,014
Derivative instruments, net | Pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	277
Derivative instruments, net | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	277
Derivative instruments, net | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,718	4,937
Investments | Qualified and Registered Plans | Net Asset Value | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,460	2,825
Accrued liabilities | Qualified and Registered Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	(9)	(17)
Public equity investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	5
Public equity investments | Non Registered Plans | Net Asset Value | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	10
Fair Value, Inputs, Level 1 | Cash and short-term investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	120	275
Fair Value, Inputs, Level 1 | Cash and short-term investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	5
Fair Value, Inputs, Level 1 | Fixed Income Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Fixed Income Investments, Government | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Fixed Income Investments, Repurchase Agreements | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Fair Value, Inputs, Level 1 | Public Equity Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4
Fair Value, Inputs, Level 1 | Hedge funds and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Private equity and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Derivative instruments, net | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 1 | Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	124	275
Fair Value, Inputs, Level 1 | Public equity investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	5
Fair Value, Inputs, Level 2 | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 | Cash and short-term investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	12
Fair Value, Inputs, Level 2 | Cash and short-term investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 | Fixed Income Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,260	1,054
Fair Value, Inputs, Level 2 | Fixed Income Investments, Government | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	941	426
Fair Value, Inputs, Level 2 | Fixed Income Investments, Repurchase Agreements | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	(176)
Fair Value, Inputs, Level 2 | Public Equity Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Fair Value, Inputs, Level 2 | Hedge funds and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 | Private equity and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 | Derivative instruments, net | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	15
Fair Value, Inputs, Level 2 | Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,035	1,507
Fair Value, Inputs, Level 2 | Public equity investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99	330	557
Fair Value, Inputs, Level 3 | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 | Cash and short-term investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 | Cash and short-term investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 | Fixed Income Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 | Fixed Income Investments, Government | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 | Fixed Income Investments, Repurchase Agreements | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Fair Value, Inputs, Level 3 | Public Equity Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Fair Value, Inputs, Level 3 | Hedge funds and related investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13	3	10
Fair Value, Inputs, Level 3 | Hedge funds and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13	3
Fair Value, Inputs, Level 3 | Private equity and related investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	86	65	102
Fair Value, Inputs, Level 3 | Private equity and related investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	86	65
Fair Value, Inputs, Level 3 | Derivative instruments, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	262	$ 445
Fair Value, Inputs, Level 3 | Derivative instruments, net | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	262
Fair Value, Inputs, Level 3 | Investments | Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99	330
Fair Value, Inputs, Level 3 | Public equity investments | Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0

XML

LINES OF CREDIT - Letters of Credit and Surety Bonds (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Short Term Debt Other Disclosures [Abstract]
Letters of credit	$ 35	$ 38
Surety bonds	$ 127	$ 123

XML

DIVESTITURES AND ASSETS HELD FOR SALE

12 Months Ended

Dec. 31, 2019

Discontinued Operations And Disposal Groups [Abstract]

DIVESTITURES AND ASSETS HELD FOR SALE

NOTE 4: DIVESTITURES AND ASSETS HELD FOR SALE

DIVESTITURES

On September 16, 2019, we announced an agreement to sell 555,000 acres of Michigan timberlands, which was part of our Timberlands business segment. On November 13, 2019, we completed the sale to an affiliate of The Lyme Timber Company LP for $297 million of cash proceeds, which is net of purchase price adjustments and closing costs. As a result of the sale, we recorded a $48 million gain in the Timberlands segment.

On September 1, 2017, we completed the sale of our Uruguay timberlands and manufacturing operations to a consortium led by BTG Pactual's Timberland Investment Group, including other long-term investors, for $403 million of cash proceeds. Due to the impairment of our Uruguay operations recorded during second quarter 2017 (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments), no material gain or loss was recorded as a result of this sale.

Neither of the divestitures discussed above were considered strategic shifts that had or will have a major effect on our operations or financial results and therefore did not meet the requirements for presentation as discontinued operations.

ASSETS HELD FOR SALE

On December 17, 2019, we announced an agreement to sell 630,000 acres of Montana timberlands for $145 million in cash, which is subject to customary closing conditions. This sale to Southern Pine Plantations is expected to close in second quarter 2020, and the transaction relates to the Timberlands segment.

The sale of our Montana timberlands is not considered a strategic shift that has, or will have, a major effect on our operations or financial results and therefore does not meet the requirements for presentation as discontinued operations. However, the related assets have met the relevant criteria to be classified as held for sale in the current period Consolidated Balance Sheet. The designation as held for sale requires us to record the related net assets at the lower of their current cost basis or fair value, less an amount of estimated selling costs, and thus, we recognized a noncash pretax impairment charge of $80 million in fourth quarter 2019 (refer to Note 18: Charges for Integration and Restructuring, Closures and Asset Impairments). Other than the impairment charge associated with held for sale classification, this classification does not affect the presentation in the Consolidated Statement of Operations. The held for sale classification did change the presentation of the related assets from long-term to current on the Consolidated Balance Sheet.

As of December 31, 2019, “Assets held for sale” had a balance of $140 million, which consisted primarily of timberlands and other related assets, after an impairment of $80 million.  

XML

RELATED PARTIES

12 Months Ended

Dec. 31, 2019

Related Party Transactions [Abstract]

RELATED PARTIES

NOTE 8: RELATED PARTIES

This note provides details about our transactions with related parties. For the years presented, our material related parties have consisted of:

• variable interest entities and

• our Twin Creeks Venture.

VARIABLE INTEREST ENTITIES

From 2002 through 2004, we sold certain nonstrategic timberlands. As a result of these sales, buyer-sponsored and monetization variable interest entities, or special purpose entities (SPEs), were formed. We are the primary beneficiary and consolidate the assets and liabilities of the SPEs involved in these transactions.

The assets of the buyer-sponsored SPEs are financial investments which consist of bank guarantees. These bank guarantees are in turn backed by bank notes, which are the liabilities of the monetization SPEs. Interest earned from the financial investments within the buyer-sponsored SPEs is used to pay interest accrued on the corresponding monetization SPE’s note.

We have an equity interest in the monetization SPEs, but no ownership interest in the buyer-sponsored SPEs. The following disclosures refer to assets of buyer-sponsored SPEs and liabilities of monetization SPEs. However, because these SPEs are distinct legal entities:

• Assets of the SPEs are not available to satisfy our liabilities or obligations.

• Liabilities of the SPEs are not our liabilities or obligations.

During first quarter 2019, we received a $253 million payment from a buyer-sponsored SPE. As of December 31, 2019, we had an asset totaling $362 million related to one buyer-sponsored SPE remaining on our Consolidated Balance Sheet. This asset matured and the related payment was received in January 2020.

We paid $302 million and $209 million related to liabilities from our monetized SPEs in third quarter 2019 and fourth quarter 2018, respectively. These payments were made upon maturity and there are no further obligations remaining.

Our Consolidated Statement of Operations includes:

• Interest income on buyer-sponsored SPE investments of:

– $22 million in 2019,

–  $34 million in 2018 and

–  $34 million in 2017.

• Interest expense on monetization SPE notes of:

– $12 million in 2019,

– $29 million in 2018 and

–  $29 million in 2017.

The weighted average interest rate on our buyer-sponsored SPEs was 5.5 percent during 2019 and 2018. The interest rate on the monetization SPE that matured in 2019 and the weighted average interest rate on our monetization SPEs during 2018 was 5.6 percent.

TWIN CREEKS VENTURE

Ownership Redemption, Agreement Termination and Sale Recognition

During October 2017, we redeemed our 21 percent ownership interest in the Twin Creeks Venture for $108 million in cash. We did not recognize a material gain or loss on the redemption of our ownership interest. The cash received was classified as a cash flow from investing activities on our Consolidated Statement of Cash Flows.

Effective December 31, 2017, we terminated the agreements under which we had managed the Twin Creeks timberlands. Following termination of these agreements, Weyerhaeuser has no further responsibilities or obligations related to the Twin Creeks Venture and our continuing involvement in the contributed timberlands ceased. In fourth quarter 2017, we recognized the sale of the original contribution of timberlands that occurred in April 2016.

Sale of Additional Timberlands to Twin Creeks

In conjunction with the redemption and termination discussed above, we also entered an agreement to sell 100,000 acres of Southern timberlands to Twin Creeks for $203 million. The sale, which included 80,000 acres of timberlands in Mississippi and 20,000 acres in Georgia, closed December 29, 2017. The sale resulted in a $99 million gain recognized during fourth quarter 2017.

XML

GEOGRAPHIC AREAS - Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 14,349	$ 14,998
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	14,074	14,778
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 275	$ 220

XML

PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Carrying Value of Property and Equipment and Estimated Service Lives

Carrying Value of Property and Equipment and Estimated Service Lives

DOLLAR AMOUNTS IN MILLIONS
	RANGE OF LIVES	DECEMBER 31, 2019			DECEMBER 31, 2018
Property and equipment, at cost:
Land	N/A	$	87		$	87
Buildings and improvements	15-40		999			942
Machinery and equipment	5-25		3,425			3,240
Roads	10-35		742			785
Other	3-10		193			179
Total cost			5,446			5,233
Accumulated depreciation and amortization			(3,477	)		(3,376	)
Property and equipment, net		$	1,969		$	1,857

XML

INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SDT settlement	$ 21		$ 0	$ 21	$ 0
U.S. federal statutory income tax rate				21.00%	35.00%
Tax effect of U.S. corporate rate change			0	$ 0	$ 74
Tax provision benefit		$ 41
Valuation allowance	$ 61		64	$ 61
Canada
Reinvestment of undistributed earnings percentage from foreign subsidiaries				10.00%
Federal, state and foreign
Net operating loss carryforwards			850
Federal - U.S. REIT
Net operating loss carryforwards			302
Credit carryforwards			$ 7
Federal - U.S. REIT | Minimum
Operating Loss Carryforwards, Expiration Date			Dec. 31, 2034
Tax Credit Carryforward, Expiration Date			Dec. 31, 2027
Federal - U.S. REIT | Maximum
Operating Loss Carryforwards, Expiration Date			Dec. 31, 2036
Tax Credit Carryforward, Expiration Date			Dec. 31, 2028
State and Local Jurisdiction [Member]
Net operating loss carryforwards			$ 548
Operating Loss Carryforwards, Expiration Date			Dec. 31, 2022
Credit carryforwards			$ 67
State and Local Jurisdiction [Member] | With expiration
Credit carryforwards			16
State and Local Jurisdiction [Member] | Without expiration
Credit carryforwards			$ 51
State and Local Jurisdiction [Member] | Minimum
Tax Credit Carryforward, Expiration Date			Dec. 31, 2019
State and Local Jurisdiction [Member] | Maximum
Tax Credit Carryforward, Expiration Date			Dec. 31, 2033
Foreign Tax Authority
Net operating loss carryforwards			$ 0
U.S. Qualified Pension Plans
Payment for Pension Benefits				$ 300

XML

BUSINESS SEGMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Sales and Net Contribution (Charge) to Earnings

Sales and Net Contribution (Charge) to Earnings

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS AND INTERSEGMENT ELIMINATIONS			CONSOLIDATED
Sales to unaffiliated customers(1)
2019	$	1,618	$	313	$	4,623	$	—		$	6,554
2018	$	1,873	$	306	$	5,297	$	—		$	7,476
2017	$	1,893	$	280	$	5,023	$	—		$	7,196
Intersegment sales(1)
2019	$	503	$	1	$	—	$	(504	)	$	—
2018	$	537	$	1	$	—	$	(538	)	$	—
2017	$	522	$	1	$	—	$	(523	)	$	—
Net contribution (charge) to earnings
2019	$	347	$	144	$	353	$	(679	)	$	165
2018	$	583	$	127	$	838	$	(366	)	$	1,182
2017	$	532	$	146	$	569	$	(138	)	$	1,109

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

Reconciliation of Net Contribution to Earnings to Net Earnings (Loss)

Reconciliation of Net Contribution to Earnings to Net Earnings (Loss)

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Net contribution to earnings	$	165		$	1,182		$	1,109
Interest expense, net of capitalized interest		(378	)		(375	)		(393	)
Income (loss) before income taxes		(213	)		807			716
Income taxes		137			(59	)		(134	)
Net earnings (loss)	$	(76	)	$	748		$	582

Additional Financial Information

Additional Financial Information

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Depreciation, depletion and amortization
2019	$	301	$	14	$	191	$	4	$	510
2018	$	319	$	14	$	149	$	4	$	486
2017	$	356	$	15	$	145	$	5	$	521
Capital expenditures
2019	$	112	$	—	$	257	$	15	$	384
2018	$	117	$	—	$	306	$	4	$	427
2017	$	115	$	2	$	299	$	3	$	419

Total Assets

Total Assets

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS and REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Total assets(1)(2)
2019	$	13,130	$	2,452	$	824	$	16,406
2018	$	13,792	$	2,280	$	1,177	$	17,249

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, Canadian Forestlands assets previously reported in the Timberlands segment are now recorded in the Wood Products segment. We have conformed prior year presentations with the current year.

(2) Assets attributable to the Real Estate & ENR business segment are combined with total assets for the Timberlands segment as we do not produce separate balance sheets internally.

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INCOME TAXES

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

INCOME TAXES

NOTE 21: INCOME TAXES

This note provides details about income taxes applicable to our operations, including the following:

• earnings before income taxes,

• provision for income taxes,

• effective income tax rate,

• deferred tax assets and liabilities,

• unrecognized tax benefits and

• resolution of IRS tax matter.

The Income Taxes section of Note 1: Summary of Significant Accounting Policies provides details about how we account for our income taxes.

EARNINGS (LOSS) BEFORE INCOME TAXES

Domestic and Foreign Earnings (Loss) Before Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018		2017
Domestic earnings (loss)	$	(268	)	$	556	$	643
Foreign earnings		55			251		73
Total earnings (loss) before income taxes	$	(213	)	$	807	$	716

PROVISION (BENEFIT) FOR INCOME TAXES

Provision (Benefit) for Income Taxes

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Current:
Federal	$	21		$	(69	)	$	10
State		1			(5	)		—
Foreign		10			61			82
Total current		32			(13	)		92
Deferred:
Federal		(137	)		45			61
State		(31	)		12			(18	)
Foreign		(1	)		15			(1	)
Total deferred		(169	)		72			42
Total income tax provision (benefit)	$	(137	)	$	59		$	134

EFFECTIVE INCOME TAX RATE

Effective Income Tax Rate

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
U.S. federal statutory income tax	$	(45	)	$	170		$	250
State income taxes, net of federal tax benefit		(31	)		8			(2	)
REIT income not subject to federal income tax		(68	)		(116	)		(198	)
SDT settlement(1)		—			21			—
Tax effect of U.S. corporate rate change(2)		—			—			74
Voluntary pension contribution(3)		—			(41	)		—
Return to provision adjustment		4			(1	)		2
Foreign taxes		(2	)		15			54
Repatriation of Canadian earnings		—			—			(22	)
Other, net		5			3			(24	)
Total income tax provision (benefit)	$	(137	)	$	59		$	134
Effective income tax rate	64.1%			7.3%			18.8%

(1) In fourth quarter 2018, we recorded tax expense of $21 million related to the settlement of a dispute with the IRS. Refer to “Resolution of IRS Matter” below for further information.

(2) In December 2017, H.R. 1 (the Tax Act) was enacted. The Tax Act contained significant changes to corporate taxation, including a reduction in the corporate tax rate from 35 percent to 21 percent. As a result of this change, we revalued our deferred tax assets and liabilities and recorded tax expense of $74 million during 2017, which reduced our net deferred tax asset.

(3) At the end of 2017, we revalued our deferred tax assets and liabilities to the 21 percent federal tax rate prescribed by the Tax Act. During 2018, we made a voluntary contribution of $300 million to our U.S. qualified pension plan. We deducted this contribution on our 2017 U.S. federal tax return at the 2017 federal tax rate of 35 percent. This resulted in an incremental $41 million tax benefit for the portion attributable to our TRSs. Refer to Note 9: Pension and Other Postretirement Benefit Plans for further information on the voluntary contribution.

DEFERRED TAX ASSETS AND LIABILITIES

Deferred tax assets and liabilities reflect the future tax effect created by differences between the timing of when income or deductions are recognized for pretax financial book reporting purposes versus income tax purposes. Deferred tax assets represent a future tax benefit (or reduction to income taxes in a future period), while deferred tax liabilities represent a future tax obligation (or increase to income taxes in a future period).

Balance Sheet Classification of Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Net noncurrent deferred tax asset	$	72		$	15
Net noncurrent deferred tax liability		(6	)		(43	)
Net deferred tax asset (liability)	$	66		$	(28	)

Items Included in Our Deferred Income Tax Assets (Liabilities)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
Deferred tax assets:
Pension and postretirement benefits	$	159		$	112
State tax credits		53			51
Depletion		34			41
Excess interest		55			30
Incentive compensation		17			20
Workers compensation		18			18
Net operating loss carryforwards		28			19
Other		101			96
Gross deferred tax assets		465			387
Valuation allowance		(64	)		(61	)
Net deferred tax assets		401			326
Deferred tax liabilities:
Property, plant and equipment		(224	)		(197	)
Timber installment notes		(74	)		(116	)
Other		(37	)		(41	)
Net deferred tax liabilities		(335	)		(354	)
Net deferred tax asset (liability)	$	66		$	(28	)

Net Operating Loss and Credit Carryforwards

Our gross federal, state and foreign net operating loss carryforwards as of December 31, 2019 totaled $850 million as follows:

• Federal - U.S. REIT - $302 million, which expire from 2034 through 2036;

• State - $548 million, which will begin to expire in 2022; and

• Foreign - none currently recorded.

Our gross state credit carryforwards as of December 31, 2019 totaled $67 million, which includes $16 million that expire from 2020 through 2033 and $51 million that do not expire. Our U.S. TRSs have $7 million in foreign tax credit carryforwards that expire from 2027 through 2028.

Valuation Allowances

With the exception of the valuation allowance discussed below, we believe it is more likely than not that we will have sufficient future taxable income to realize our deferred tax assets.

Our valuation allowance on our deferred tax assets was $64 million as of December 31, 2019, which related to state credits, state net operating losses and passive foreign tax credits.

Reinvestment of Undistributed Earnings

Starting in 2018, we revised our indefinite reinvestment assertion regarding the earnings of our Canadian subsidiary to permanently reinvest approximately 10 percent of its earnings. Our change in assertion was based on the company’s review of global cash management and planned capital deployment, taking into consideration the effects of the Tax Act. We have no other foreign subsidiaries with undistributed earnings. Accordingly, deferred taxes have been provided primarily related to Canadian withholding taxes associated with Canadian earnings no longer considered permanently reinvested.

UNRECOGNIZED TAX BENEFITS

Unrecognized tax benefits represent potential future obligations to taxing authorities if uncertain tax positions we have taken on previously filed tax returns are not sustained. In accordance with our accounting policy, we accrue interest and penalties related to unrecognized tax benefits as a component of income tax expense (see Note 1: Summary of Significant Accounting Policies). The total gross amount of unrecognized tax benefits as of December 31, 2019 and 2018, as well as the activity during those years, were immaterial.

As of December 31, 2019, our 2016 and 2017 U.S. federal income tax returns are under examination. No foreign jurisdiction income tax returns are under examination. Our U.S. federal income tax returns are open to examination for years 2016 forward and foreign jurisdiction income tax returns are open to examination for years 2012 forward. We are undergoing examinations in state jurisdictions for tax years 2009 through 2017, with tax years 2009 forward open to examination. We do not expect that the outcome of any examination will have a material effect on our consolidated financial statements; however, audit outcomes and the timing of audit settlements are subject to significant uncertainty.

RESOLUTION OF IRS MATTER

In connection with the merger with Plum Creek, we acquired equity interests in Southern Diversified Timber, LLC (SDT), a timberland joint venture (Timberland Venture) with an affiliate of Campbell Global LLC (TCG Member). On August 31, 2016, the Timberland Venture redeemed TCG Member's interest and became a fully consolidated, wholly-owned subsidiary of Weyerhaeuser.

We received a Notice of Final Partnership Administrative Adjustment (FPAA) dated July 20, 2016, from the Internal Revenue Service (IRS) in regard to Plum Creek's 2008 U.S. federal income tax treatment of the transaction forming the Timberland Venture. The IRS asserted that the transfer of the timberlands to the Timberland Venture was a taxable transaction to Plum Creek at the time of the transfer rather than a nontaxable capital contribution. We subsequently filed a petition in the U.S. Tax Court to contest this adjustment.

On February 8, 2019, we entered into a closing agreement with the IRS to settle this dispute. Under the terms of the agreement, the company paid approximately $21 million of corporate tax. This amount was recorded as tax expense in fourth quarter 2018. No interest or penalties were assessed. The parties filed a stipulated decision with the U.S. Tax Court, pursuant to which the Court officially closed the matter.

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LONG-TERM DEBT

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

LONG-TERM DEBT

NOTE 12: LONG-TERM DEBT

This note provides details about:

• debt issued and extinguished and

• long-term debt and related maturities.

Our long-term debt includes notes, debentures and other borrowings.

DEBT ISSUED AND EXTINGUISHED

In February 2019, we issued $750 million of 4.00 percent notes due in November 2029. The net proceeds after deducting the discount, underwriting fees and issuance costs were $739 million. In March 2019, a portion of the net proceeds was used to redeem our $500 million 7.38 percent note due October 2019. A pretax charge of $12 million was included in "Interest expense, net of capitalized interest" on our Consolidated Statement of Operations during first quarter 2019 for make-whole premiums, unamortized debt issuance costs and unamortized debt discounts in connection with the early extinguishment of the $500 million note.

During February 2018, we paid our $62 million 7.00 debenture at maturity.

LONG-TERM DEBT AND RELATED MATURITIES

The following table lists our long-term debt by types and interest rates at the end of our last two years and includes the current portion.

Long-Term Debt by Types and Interest Rates (Includes Current Portion)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
7.375% notes due 2019	$	—		$	500
9.00% debentures due 2021		150			150
4.70% debentures due 2021		569			569
7.125% debentures due 2023		191			191
5.207% debentures due 2023		860			860
4.625% notes due 2023		500			500
3.25% debentures due 2023		325			325
8.50% debentures due 2025		300			300
7.95% debentures due 2025		136			136
7.70% debentures due 2026		150			150
7.35% debentures due 2026		62			62
7.85% debentures due 2026		100			100
Variable-rate term loan credit facility matures 2026		225			225
6.95% debentures due 2027		300			300
4.00% notes due 2029		750			—
7.375% debentures due 2032		1,250			1,250
6.875% debentures due 2033		275			275
Other		1			1
Total principal long-term debt		6,144			5,894
Add: fair value adjustments (related to Plum Creek merger)		27			39
Less: unamortized discounts		(14	)		(5	)
Less: unamortized debt expense		(10	)		(9	)
Total	$	6,147		$	5,919
Portion due within one year	$	—		$	500

Amounts of Long-Term Debt Due Annually for the Next Five Years and Thereafter

DOLLAR AMOUNTS IN MILLIONS (1)
2020	$	—
2021	$	719
2022	$	—
2023	$	1,876
2024	$	—
Thereafter	$	3,549

(1) Excludes $3 million of unamortized discounts, capitalized debt expense and fair value adjustments (related to Plum Creek merger).

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INCOME TAXES - Effective Income Tax Rate Applicable (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
U.S. federal statutory income tax		$ (45)	$ 170	$ 250
State income taxes, net of federal tax benefit		(31)	8	(2)
REIT income not subject to federal income tax		(68)	(116)	(198)
SDT settlement	$ 21	0	21	0
Tax effect of U.S. corporate rate change		0	0	74
Voluntary pension contribution		0	(41)	0
Return to provision adjustment		4	(1)	2
Foreign taxes		(2)	15	54
Repatriation of Canadian earnings		0	0	(22)
Other, net		5	3	(24)
Total income tax provision (benefit)		$ (137)	$ 59	$ 134
Effective income tax rate		64.10%	7.30%	18.80%

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SHARE-BASED COMPENSATION

12 Months Ended

Dec. 31, 2019

Share Based Compensation [Abstract]

SHARE-BASED COMPENSATION

NOTE 16: SHARE-BASED COMPENSATION

This note provides details about:

• our Long-Term Incentive Compensation Plan (2013 Plan),

• how we account for share-based awards,

• tax benefits of share-based awards,

• types of share-based compensation,

• unrecognized share-based compensation and

• deferred compensation stock equivalent units.

Share-based compensation expense was:

• $30 million in 2019,

• $42 million in 2018 and

• $40 million in 2017.

OUR LONG-TERM INCENTIVE COMPENSATION PLAN

Our long-term incentive plan provides for share-based awards that include:

• restricted stock,

• restricted stock units (RSUs),

• performance shares,

• performance share units (PSUs),

• stock options and

• stock appreciation rights (SARs).

We may issue future grants of up to 20 million shares under the 2013 Plan. We also have the right to reissue forfeited and expired grants.

For restricted stock, RSUs, performance shares, PSUs or other equity grants:

• An individual participant may receive a grant of up to 1 million shares annually.

• No participant may be granted awards that exceed $10 million earned in a 12-month period.

For stock options and SARs:

• An individual participant may receive a grant of up to 2 million shares in any one calendar year.

• The exercise price is required to be the market price on the date of the grant.

We have not granted any stock options or SARs since 2016 and the remaining liability related to SARs is immaterial at December 31, 2019.

The Compensation Committee of our board of directors annually establishes an overall pool of stock awards available for grants based on performance.

For stock-settled awards we:

• issue new stock into the marketplace and

• generally do not repurchase shares in connection with issuing new awards.

Our common shares would increase by approximately 28 million shares if all share-based awards were exercised or vested. These include:

• all options, RSUs and PSUs outstanding at December 31, 2019, and

• all remaining options, RSUs and PSUs that could be granted under the 2013 Plan.

HOW WE ACCOUNT FOR SHARE-BASED AWARDS

When accounting for share-based awards we:

• use a fair-value-based measurement and

• recognize the cost of share-based awards on our consolidated financial statements.

We recognize the cost of share-based awards on our Consolidated Statement of Operations over the required service period — generally the period from the date of the grant to the date when it is fully vested. Special situations include:

• Awards that vest upon retirement — the required service period ends on the date an employee is eligible for retirement, including early retirement.

• Awards that continue to vest following job elimination or the sale of a business — the required service period ends on the date the employment from the company is terminated.

In these special situations, compensation expense from share-based awards is recognized over a period that is shorter than the stated vesting period.

TAX BENEFITS OF SHARE-BASED AWARDS

Our total income tax benefit from share-based awards recognized on our Consolidated Statement of Operations for the last three years was:

• $4 million in 2019,

• $5 million in 2018 and

• $6 million in 2017.

Tax benefits from share-based awards are accrued as stock compensation expense and realized when:

• restricted shares and RSUs vest,

• performance shares and PSUs vest,

• stock options are exercised and

• SARs are exercised.

TYPES OF SHARE-BASED COMPENSATION

Our share-based compensation is in the form of:

• RSUs,

• PSUs,

• stock options and

• SARs.

RESTRICTED STOCK UNITS

Through the 2013 Plan, we award RSUs — grants that entitle the holder to shares of our stock as the award vests.

The Details

Our RSUs granted in 2019, 2018 and 2017 generally:

• vest ratably over four years;

• immediately vest in the event of death while employed or disability;

• continue to vest upon retirement at an age of at least 62, but a portion of the grant is forfeited if retirement occurs before the one-year anniversary of the grant;

• continue vesting for one year in the event of involuntary termination when retirement has not been met and

• will be forfeited upon termination of employment in all other situations including early retirement prior to age 62.

Our Accounting

The fair value of our RSUs is the market price of our stock on the grant date of the awards.

We generally record share-based compensation expense for RSUs over the four-year vesting period. Generally, for RSUs that continue to vest following the termination of employment, we record the share-based compensation expense over a required service period that is less than the stated vesting period.

Activity

The following table shows our RSU activity for 2019:

	RESTRICTED STOCK UNITS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,593		$	31.41
Granted		865		$	25.83
Vested		(582	)	$	30.34
Forfeited		(87	)	$	29.40
Nonvested at December 31, 2019(1)		1,789		$	29.15

(1) As of December 31, 2019, there were approximately 526 thousand RSUs that had met the requisite service period and will be released as identified in the grant terms.

The weighted average grant-date fair value for RSUs was:

• $25.83 in 2019,

• $34.19 in 2018 and

• $32.83 in 2017.

The total grant-date fair value of RSUs vested was:

• $18 million in 2019,

• $16 million in 2018 and

• $18 million in 2017.

Nonvested RSUs accrue dividends that are paid out when RSUs vest. Any RSUs forfeited will not receive dividends.

As RSUs vest, a portion of the shares awarded is withheld to cover employee taxes. As a result, the number of stock units vested and the number of common shares issued will differ.

PERFORMANCE SHARE UNITS

Through the 2013 Plan, we award PSUs — grants that entitle the holder to shares of our stock as the award vests.

The Details

The final number of shares awarded will range from 0 percent to 150 percent of each grant’s target, depending upon actual company performance.

For PSUs granted in 2019, 2018 and 2017, the ultimate number of shares earned is based on two measures:

• our relative total shareholder return (TSR) ranking measured against the S&P 500 over a three-year period and

• our relative TSR ranking measured against an industry peer group of companies over a three-year period.

The vesting provisions for PSUs granted in 2019, 2018 and 2017 were as follows:

• vest 100 percent on the third anniversary of the grant date as long as the individual remains employed by the company;

• fully vest in the event the participant dies or becomes disabled while employed;

• continue to vest upon retirement at an age of at least 62, but a portion of the grant is forfeited if retirement occurs before the one-year anniversary of the grant;

• continue vesting for one year in the event of involuntary termination when the retirement criteria has not been met and the employee has met the second anniversary of the grant date and

• will be forfeited upon termination of employment in all other situations including early retirement prior to age 62.

Our Accounting

Since the awards contain a market condition, the effect of the market condition is reflected in the grant-date fair value which is estimated using a Monte Carlo simulation model. This model estimates the TSR ranking of the company over the performance period. Compensation expense is based on the estimated probable number of earned awards and recognized over the vesting period on an accelerated basis. Generally, compensation expense would be reversed if the performance condition is not met unless the requisite service period has been achieved.

Weighted Average Assumptions Used in Estimating the Value of PSUs

	2019 GRANTS		2018 GRANTS		2017 GRANTS
Performance period	1/1/2019-12/31/2021		1/1/2018-12/31/2020		1/1/2017-12/31/2019
Expected dividends	5.25%		3.81%		3.74%
Risk-free rate	2.43% - 2.55%		1.75% - 2.34%		0.68% - 1.55%
Volatility	22.50% - 27.40%		17.30% - 21.52%		22.71% - 24.07%
Weighted average grant-date fair value	$	29.66	$	35.49	$	37.93

Activity

The following table shows our PSU activity for 2019:

	GRANTS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,042		$	31.52
Granted at target		419			29.66
Vested		(153	)		22.80
Forfeited		(26	)		34.05
Performance adjustment		(233	)		22.80
Nonvested at December 31, 2019(1)		1,049		$	33.93

(1) As of December 31, 2019, there were approximately 519 thousand PSUs that had met the requisite service period and will be released as identified in the grant terms.

The total grant-date fair value of PSUs vested was:

• $3 million in 2019,

• $4 million in 2018 and

• $4 million in 2017.

As PSUs vest, a portion of the shares awarded is withheld to cover participant taxes. As a result, the number of stock units vested and the number of common shares issued will differ.

STOCK OPTIONS

Stock options entitle award recipients to purchase shares of our common stock at a fixed exercise price. We have not granted stock option awards since 2016. When granted in prior years, stock options had an exercise price equal to the market price of our stock on the date of the grant.

The Details

Our stock options generally:

• vest over four years of continuous service,

• must be exercised within 10 years of the grant date and

• use a Black-Scholes option valuation model to estimate the fair value of every stock option award on its grant date.

Activity

The following table shows our stock option activity for 2019:

	OPTIONS (IN THOUSANDS)			WEIGHTED AVERAGE EXERCISE PRICE		WEIGHTED AVERAGE REMAINING CONTRACTUAL TERM (IN YEARS)		AGGREGATE INTRINSIC VALUE (IN MILLIONS)
Outstanding at December 31, 2018		6,366		$	26.75
Exercised		(661	)	$	19.16
Forfeited or expired		(430	)	$	31.63
Outstanding at December 31, 2019(1)		5,275		$	27.30		4.61	$	21
Exercisable at December 31, 2019		4,678		$	27.84		4.42	$	17

(1) As of December 31, 2019, there were approximately 324 thousand stock options that had met the requisite service period and will be released as identified in the grant terms.

The total intrinsic value of stock options exercised was:

• $5 million in 2019,

• $22 million in 2018 and

• $68 million in 2017.

UNRECOGNIZED SHARE-BASED COMPENSATION

As of December 31, 2019, our unrecognized share-based compensation cost for all types of share-based awards included $36 million related to non-vested equity-classified share-based compensation arrangements. These are expected to be recognized over a weighted average period of approximately 1.2 years.

DEFERRED COMPENSATION STOCK EQUIVALENT UNITS

Certain employees and our board of directors may defer compensation into stock equivalent units.

The Details

Eligible employees:

• may choose to defer all or part of their bonus into stock equivalent units;

• may choose to defer part of their salary, except for executive officers and

• receive a 15 percent premium if the deferral is for at least five years.

Our directors:

• receive a portion of their annual retainer fee in the form of RSUs, which vest over one year and may be deferred into stock equivalent units;

• may choose to defer some or all of the remainder of their annual retainer fee into stock equivalent units and

• do not receive a premium for their deferrals.

Employees and directors also choose when the deferrals will be paid out, although no deferrals may be paid until after the separation from service of the employee or director.

Our Accounting

We settle all deferred compensation accounts in cash for our employees. Our directors receive shares of common stock as payment for stock equivalent units. In addition, we credit all stock equivalent accounts with dividend equivalents. The number of common shares to be issued in the future to directors is 674 thousand.

Stock equivalent units are:

• liability-classified awards and

• remeasured to fair value at every reporting date.

The fair value of a stock equivalent unit is equal to the market price of our stock.

Activity

The number of stock equivalent units outstanding in our deferred compensation accounts was:

• 788 thousand as of December 31, 2019,

• 788 thousand as of December 31, 2018 and

• 804 thousand as of December 31, 2017.

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LEASES Lease Term and Discount Rate (Details)	Dec. 31, 2019
Weighted Average Remaining Lease Term (years)
Operating lease, weighted average remaining lease term	11 years
Finance lease, weighted average remaining lease term	3 years
Weighted Average Discount Rate
Operating lease, weighted average discount rate	4.20%
Finance lease, weighted average discount rate	3.10%

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OTHER OPERATING COSTS (INCOME), NET

12 Months Ended

Dec. 31, 2019

Other Income [Abstract]

OTHER OPERATING COSTS (INCOME), NET

NOTE 20: OTHER OPERATING COSTS (INCOME), NET

Other operating costs (income), net:

• includes both recurring and non-recurring income and expense items and

• can fluctuate from year to year.

Income and Expense Items Included in Other Operating Costs (Income), Net

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Environmental remediation insurance recoveries	$	—		$	(5	)	$	(42	)
Foreign exchange losses (gains), net (1)		2			(3	)		(1	)
Gain on disposition of nonstrategic assets		(4	)		(5	)		(16	)
Gain on sale of timberlands (2)		(48	)		—			(99	)
Litigation expense, net		63			35			20
Research and development expenses		6			8			14
Other, net (3)		28			52			10
Total other operating costs (income), net	$	47		$	82		$	(114	)

(1) Foreign exchange gains and losses result from changes in exchange rates primarily related to our U.S. dollar denominated cash and debt balances that are held by our Canadian subsidiary.

(2) The 2019 gain on sale of timberlands relates to the sale of our Michigan timberlands during fourth quarter 2019. The 2017 amount relates to 100,000 acres sold to Twin Creeks during fourth quarter 2017. Refer to Note 4: Divestitures and Assets Held for Sale and Note 8: Related Parties, respectively, for further information.

(3) "Other, net" includes environmental remediation charges. See Note 14: Legal Proceedings, Commitments and Contingencies for more information.

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CHARGES (RECOVERIES) FOR PRODUCT REMEDIATION, NET (Details) - Wood Products - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Product Liability Contingency [Line Items]
Insurance recoveries	$ 68	$ 25
Charges (recoveries) for product remediation, net		$ 25	$ 290

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OTHER OPERATING COSTS (INCOME), NET (Tables)

12 Months Ended

Dec. 31, 2019

Other Income [Abstract]

Income and Expense Items Included in Other Operating Costs (Income), Net

Income and Expense Items Included in Other Operating Costs (Income), Net

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Environmental remediation insurance recoveries	$	—		$	(5	)	$	(42	)
Foreign exchange losses (gains), net (1)		2			(3	)		(1	)
Gain on disposition of nonstrategic assets		(4	)		(5	)		(16	)
Gain on sale of timberlands (2)		(48	)		—			(99	)
Litigation expense, net		63			35			20
Research and development expenses		6			8			14
Other, net (3)		28			52			10
Total other operating costs (income), net	$	47		$	82		$	(114	)

(1) Foreign exchange gains and losses result from changes in exchange rates primarily related to our U.S. dollar denominated cash and debt balances that are held by our Canadian subsidiary.

(2) The 2019 gain on sale of timberlands relates to the sale of our Michigan timberlands during fourth quarter 2019. The 2017 amount relates to 100,000 acres sold to Twin Creeks during fourth quarter 2017. Refer to Note 4: Divestitures and Assets Held for Sale and Note 8: Related Parties, respectively, for further information.

(3) "Other, net" includes environmental remediation charges. See Note 14: Legal Proceedings, Commitments and Contingencies for more information.

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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Changes in the Reserve for Environmental Remediation

Changes in the Reserve for Environmental Remediation

DOLLAR AMOUNTS IN MILLIONS
Reserve balance as of December 31, 2018	$	62
Reserve charges and adjustments, net		4
Payments		(5	)
Reserve balance as of December 31, 2019	$	61

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ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2019

Accrued Liabilities Current [Abstract]

Accrued Liabilities

Accrued liabilities were comprised of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Compensation and employee benefit costs	$	188	$	192
Current portion of lease liabilities (Note 17)		33		—
Customer rebates, volume discounts and deferred income		105		99
Interest		98		109
Taxes payable		24		30
Other		82		60
Total	$	530	$	490

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SHARE-BASED COMPENSATION - Schedule of Restricted Stock Units Activity (Details) - Restricted stock units - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock Units
Balance, beginning of year	1,593
Granted	865
Vested	(582)
Forfeited	(87)
Balance, end of year	1,789	1,593
Nonvested performance share units that have met the requisite service period and will be released as identified in the grant terms	526
Weighted Average Grant Date Fair Value
Balance, beginning of year	$ 31.41
Granted	25.83	$ 34.19	$ 32.83
Vested	30.34
Forfeited	29.40
Balance, end of year	$ 29.15	$ 31.41

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INVENTORIES Additional information (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Increase in inventory amount if FIFO would have been used	$ 76	$ 79

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended					11 Months Ended	12 Months Ended
	Oct. 31, 2019	Jan. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net effect of remeasurement reduction in funded status										$ 24
Defined Benefit Plan, Plan Assets, Period Increase (Decrease)							$ 16
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease)							6
Defined Benefit Plan Funded Status Period Increase Decrease							$ 22
Pension plans with projected benefit obligations greater than plan assets, projected benefit obligations					$ 4,500			$ 3,400		3,400	$ 4,500
Pension plans with projected benefit obligations greater than plan assets, fair value of assets					4,100			2,800		2,800	4,100
Pension plans with accumulated benefit obligations greater than plan assets, accumulated benefit obligations					4,400			3,300		3,300	4,400
Pension plans with accumulated benefit obligations greater than plan assets, fair value of assets					4,100			2,800		2,800	4,100
Accumulated benefit obligation for all defined benefit pension plans					$ 5,200			$ 4,200		4,200	5,200
Employer contributions and benefit payments										25	$ 22	$ 21
U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan										$ (1,500)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate		4.40%								4.30%
Canada
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year					4.90%			5.40%		5.40%	4.90%
Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets					$ 330			$ 99		$ 99	$ 330	557
Expected return on plan assets										2.70%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Period Increase (Decrease), Percentage							1.00%
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Percentage							1.00%
U.S. Qualified Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan										$ (1,500)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate		4.40%						4.30%
Payment for Pension Benefits						$ 300					300
Qualified and Registered Plans
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets										7.00%
Qualified and Registered Plans | Scenario Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets									6.50%
Qualified and Registered Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets					$ 4,920			$ 3,709		$ 3,709	$ 4,920
Pre Medicare | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year					7.80%			7.30%		7.30%	7.80%
Health Reimbursement Account | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year					4.50%			4.50%		4.50%	4.50%
Registered Pension Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Employer contributions and benefit payments										$ 10
Registered Pension Plans | Canada | Scenario Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2020									$ 2
Non Registered Plans | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets					$ 10			$ 10		10	$ 10
Employer contributions and benefit payments										2
Non Registered Plans | Canada | Scenario Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2020									3
Non Registered Plans | Fair Value, Inputs, Level 3 | Canada
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets					0			0		0	0
Non Qualified Pension Plans Defined Benefit | U.S.
Defined Benefit Plan Disclosure [Line Items]
Employer contributions and benefit payments										18
Non Qualified Pension Plans Defined Benefit | U.S. | Scenario Forecast
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2020									$ 17
Pension
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan										1	1
Defined Benefit Plan, Plan Assets, Payment for Settlement	$ 6		$ 449	$ 455	200
Reduction in settlement charge			$ 6							(455)	(200)	0
Defined Benefit Plan, Plan Assets, Benefits Paid					664					1,745	1,024
Fair value of plan assets					$ 4,930			$ 3,719		3,719	4,930	$ 5,514
Employer contributions and benefit payments										$ 30	$ 345
Pension | U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate										4.30%	3.70%	4.30%
Discount rates, benefit obligation					4.40%			3.40%		3.40%	4.40%
Pension | Canada
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate										3.70%	3.50%	3.70%
Discount rates, benefit obligation					3.70%			3.10%		3.10%	3.70%
Pension | Qualified and Registered Plans
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets										7.00%	8.00%	8.00%
U.S. Qualified Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Payment for Pension Benefits											$ 300
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan										$ 0	0
Reduction in settlement charge										0	0	$ 0
Defined Benefit Plan, Plan Assets, Benefits Paid										17	22
Fair value of plan assets					$ 18			$ 19		19	18	$ 0
Employer contributions and benefit payments										15	$ 36
Expected contribution to benefit plans during 2020								9		9
Other Postretirement Benefits | Collective Bargaining Arrangement
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to benefit plans during 2020								$ 5		$ 5
Other Postretirement Benefits | U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate										4.20%	3.50%	3.70%
Discount rates, benefit obligation					4.20%			3.00%		3.00%	4.20%
Employer contributions and benefit payments										$ 11
Other Postretirement Benefits | Canada
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate										3.70%	3.40%	3.60%
Discount rates, benefit obligation					3.70%			3.00%		3.00%	3.70%
Weighted health care cost trend rate assumed for next year								4.90%		4.90%
Employer contributions and benefit payments										$ 4
Other Postretirement Benefits | Pre Medicare | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year								7.80%		7.80%
Other Postretirement Benefits | Health Reimbursement Account | U.S.
Defined Benefit Plan Disclosure [Line Items]
Weighted health care cost trend rate assumed for next year								4.50%		4.50%

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LEASES Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019
Total leased assets	$ 148	$ 165
Total lease liabilities	$ 156	172
Amount recorded to retained earnings related to new accounting pronouncement		$ 7
Minimum
Operating and finance leases remaining lease term	1 year
Maximum
Operating and finance leases remaining lease term	25 years

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LONG-TERM DEBT - Long-Term Debt by Types and Interest Rates (Includes Current Portion) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Other	$ 1	$ 1
Total principal long-term debt	6,144	5,894
Less: unamortized discounts	(14)	(5)
Less: unamortized debt expense	(10)	(9)
Total	6,147	5,919
Portion due within one year	0	500
Plum Creek
Debt Instrument [Line Items]
Add: fair value adjustments (related to Plum Creek merger)	27	39
7.375% debentures due 2019
Debt Instrument [Line Items]
Senior Notes	$ 0	$ 500
Debt, interest rate	7.375%	7.375%
Debt, maturity date	Dec. 31, 2019	Dec. 31, 2019
9.00% debentures due 2021
Debt Instrument [Line Items]
Senior Notes	$ 150	$ 150
Debt, interest rate	9.00%	9.00%
Debt, maturity date	Dec. 31, 2021	Dec. 31, 2021
4.70% debentures due 2021
Debt Instrument [Line Items]
Senior Notes	$ 569	$ 569
Debt, interest rate	4.70%	4.70%
Debt, maturity date	Dec. 31, 2021	Dec. 31, 2021
7.125% debentures due 2023
Debt Instrument [Line Items]
Senior Notes	$ 191	$ 191
Debt, interest rate	7.125%	7.125%
Debt, maturity date	Dec. 31, 2023	Dec. 31, 2023
5.207% debentures due 2023
Debt Instrument [Line Items]
Senior Notes	$ 860	$ 860
Debt, interest rate	5.207%	5.207%
Debt, maturity date	Dec. 31, 2023	Dec. 31, 2023
4.625% notes due 2023
Debt Instrument [Line Items]
Senior Notes	$ 500	$ 500
Debt, interest rate	4.625%	4.625%
Debt, maturity date	Dec. 31, 2023	Dec. 31, 2023
3.25% debentures due 2023
Debt Instrument [Line Items]
Senior Notes	$ 325	$ 325
Debt, interest rate	3.25%	3.25%
Debt, maturity date	Dec. 31, 2023	Dec. 31, 2023
8.50% debentures due 2025
Debt Instrument [Line Items]
Senior Notes	$ 300	$ 300
Debt, interest rate	8.50%	8.50%
Debt, maturity date	Dec. 31, 2025	Dec. 31, 2025
7.95% debentures due 2025
Debt Instrument [Line Items]
Senior Notes	$ 136	$ 136
Debt, interest rate	7.95%	7.95%
Debt, maturity date	Dec. 31, 2025	Dec. 31, 2025
7.70% debentures due 2026
Debt Instrument [Line Items]
Senior Notes	$ 150	$ 150
Debt, interest rate	7.70%	7.70%
Debt, maturity date	Dec. 31, 2026	Dec. 31, 2026
7.35% debentures due 2026
Debt Instrument [Line Items]
Senior Notes	$ 62	$ 62
Debt, interest rate	7.35%	7.35%
Debt, maturity date	Dec. 31, 2026	Dec. 31, 2026
7.85% debentures due 2026
Debt Instrument [Line Items]
Senior Notes	$ 100	$ 100
Debt, interest rate	7.85%	7.85%
Debt, maturity date	Dec. 31, 2026	Dec. 31, 2026
Variable rate term loan credit facility matures 2026
Debt Instrument [Line Items]
Term loan credit facility	$ 225	$ 225
Debt, maturity date	Dec. 31, 2026	Dec. 31, 2026
6.95% debentures due 2027
Debt Instrument [Line Items]
Senior Notes	$ 300	$ 300
Debt, interest rate	6.95%	6.95%
Debt, maturity date	Dec. 31, 2027	Dec. 31, 2027
4.00% debentures due 2029
Debt Instrument [Line Items]
Senior Notes	$ 750	$ 0
Debt, interest rate	4.00%	4.00%
Debt, maturity date	Dec. 31, 2029	Dec. 31, 2029
7.375% debentures due 2032
Debt Instrument [Line Items]
Senior Notes	$ 1,250	$ 1,250
Debt, interest rate	7.375%	7.375%
Debt, maturity date	Dec. 31, 2032	Dec. 31, 2032
6.875% debentures due 2033
Debt Instrument [Line Items]
Senior Notes	$ 275	$ 275
Debt, interest rate	6.875%	6.875%
Debt, maturity date	Dec. 31, 2033	Dec. 31, 2033

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Fair Value and Aggregate Notional Amount of the Derivative Instruments Held by our Pension Trusts (Details) - Pension - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3,719	$ 4,930	$ 5,514
Foreign currency derivatives, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Derivative, notional amount	0	13
Future
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	15
Derivative, notional amount	813	1,073
Total return swaps, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	262
Derivative, notional amount	0	558
Derivative instruments, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	277
Derivative, notional amount	$ 813	$ 1,644

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Changes in Projected Benefit Obligations of Our Pension and Other Postretirement Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation beginning of year	$ 5,263	$ 6,795
Service cost	32	37	$ 35
Interest cost	160	236	264
Plan participants’ contributions	0	0
Actuarial (gains) losses	510	(718)
Foreign currency translation	39	(69)
Benefits paid (includes lump sum and annuity transfers)	(1,745)	(1,024)
Plan amendments and other	0	5
Plan transfers	1	1
Projected benefit obligation at end of year	4,260	5,263	6,795
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation beginning of year	166	200
Service cost	0	0	0
Interest cost	6	7	8
Plan participants’ contributions	2	4
Actuarial (gains) losses	(8)	(18)
Foreign currency translation	2	(5)
Benefits paid (includes lump sum and annuity transfers)	(17)	(22)
Plan amendments and other	0	0
Plan transfers	0	0
Projected benefit obligation at end of year	$ 151	$ 166	$ 200

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ACCRUED LIABILITIES Accrued Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Accrued Liabilities Current [Abstract]
Compensation and employee benefit costs	$ 188	$ 192
Current portion of lease liabilities (Note 17)	33	0
Customer rebates, volume discounts and deferred income	105	99
Interest	98	109
Taxes payable	24	30
Other	82	60
Total	$ 530	$ 490

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Net Periodic Benefit Cost (Credit) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 32	$ 37	$ 35
Interest cost		160	236	264
Expected return on plan assets		(223)	(399)	(409)
Amortization of actuarial loss		112	225	195
Amortization of prior service cost (credit)		4	3	4
Settlement charges	$ (6)	455	200	0
Net periodic benefit cost (credit)		540	302	89
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost		0	0	0
Interest cost		6	7	8
Expected return on plan assets		0	0	0
Amortization of actuarial loss		7	8	8
Amortization of prior service cost (credit)		(5)	(8)	(8)
Settlement charges		0	0	0
Net periodic benefit cost (credit)		$ 8	$ 7	$ 8

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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Commitments And Contingencies Disclosure [Abstract]
Remediation costs for all identified sites may exceed reserves	$ 124
Asset retirement obligations	$ 30	$ 29

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BUSINESS SEGMENTS - Sales and Net Contribution (Charge) to Earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 1,548	$ 1,671	$ 1,692	$ 1,643	$ 1,636	$ 1,910	$ 2,065	$ 1,865	$ 6,554	$ 7,476	$ 7,196
Net contribution (charge) to earnings									165	1,182	1,109
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									1,618	1,873	1,893
RE & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									313	306	280
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									4,623	5,297	5,023
Operating segments | Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									1,618	1,873	1,893
Net contribution (charge) to earnings									347	583	532
Operating segments | RE & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									313	306	280
Net contribution (charge) to earnings									144	127	146
Operating segments | Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									4,623	5,297	5,023
Net contribution (charge) to earnings									353	838	569
Unallocated Items
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									0	0	0
Net contribution (charge) to earnings									(679)	(366)	(138)
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									(504)	(538)	(523)
Intersegment eliminations | Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									503	537	522
Intersegment eliminations | RE & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									1	1	1
Intersegment eliminations | Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers									$ 0	$ 0	$ 0

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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common shares:	Other capital:	Retained earnings (accumulated deficit):	Accumulated other comprehensive loss:
Balance at beginning of year at Dec. 31, 2016		$ 936	$ 8,282	$ 1,421	$ (1,459)
Issued for exercise of stock options and vested restricted stock units		8	128
Repurchases of common shares (Note 15)		0	0
Share-based compensation			35
Other transactions, net			(6)
Net earnings (loss)	$ 582			582
Dividends on common shares				(944)
Adjustments related to new accounting pronouncements (Note 1)				19
Other comprehensive income					(103)
Adjustments related to new accounting pronouncements and other (Note 15)					0
Balance at end of year at Dec. 31, 2017	$ 8,899	944	8,439	1,078	(1,562)
Dividends paid per common share	$ 1.25
Issued for exercise of stock options and vested restricted stock units		4	49
Repurchases of common shares (Note 15)		(15)	(351)
Share-based compensation			42
Other transactions, net			(7)
Net earnings (loss)	$ 748			748
Dividends on common shares				(995)
Adjustments related to new accounting pronouncements (Note 1)				262
Other comprehensive income					672
Adjustments related to new accounting pronouncements and other (Note 15)					(262)
Balance at end of year at Dec. 31, 2018	$ 9,046	933	8,172	1,093	(1,152)
Dividends paid per common share	$ 1.32
Issued for exercise of stock options and vested restricted stock units		2	12
Repurchases of common shares (Note 15)		(3)	(57)
Share-based compensation			30
Other transactions, net			(5)
Net earnings (loss)	$ (76)			(76)
Dividends on common shares				(1,013)
Adjustments related to new accounting pronouncements (Note 1)				(7)
Other comprehensive income					248
Adjustments related to new accounting pronouncements and other (Note 15)					0
Balance at end of year at Dec. 31, 2019	$ 8,177	$ 932	$ 8,152	$ (3)	$ (904)
Dividends paid per common share	$ 1.36

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REVENUE RECOGNITION Revenue by Major Products (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue from External Customer
Net sales	$ 1,548	$ 1,671	$ 1,692	$ 1,643	$ 1,636	$ 1,910	$ 2,065	$ 1,865	$ 6,554	$ 7,476	$ 7,196
Timberlands
Revenue from External Customer
Net sales									1,618	1,873	1,893
Timberlands | Delivered logs
Revenue from External Customer
Net sales									1,472	1,711	1,649
Timberlands | Stumpage and pay-as-cut timber
Revenue from External Customer
Net sales									42	59	73
Timberlands | Recreational and other lease revenue
Revenue from External Customer
Net sales									61	59	59
Timberlands | Other
Revenue from External Customer
Net sales									43	44	112
Timberlands | West | Delivered logs
Revenue from External Customer
Net sales									740	987	915
Timberlands | South | Delivered logs
Revenue from External Customer
Net sales									640	625	616
Timberlands | North | Delivered logs
Revenue from External Customer
Net sales									92	99	95
Timberlands | Other | Delivered logs
Revenue from External Customer
Net sales									0	0	23
Timberlands | Domestic grade sales | West | Delivered logs
Revenue from External Customer
Net sales									375	503	473
Timberlands | Export grade sales | West | Delivered logs
Revenue from External Customer
Net sales									365	484	442
RE & ENR
Revenue from External Customer
Net sales									313	306	280
RE & ENR | Real Estate
Revenue from External Customer
Net sales									225	229	208
RE & ENR | Energy and natural resources
Revenue from External Customer
Net sales									88	77	72
Wood Products
Revenue from External Customer
Net sales									4,623	5,297	5,023
Wood Products | Structural lumber
Revenue from External Customer
Net sales									1,892	2,258	2,058
Wood Products | Oriented strand board
Revenue from External Customer
Net sales									632	891	904
Wood Products | Engineered solid section
Revenue from External Customer
Net sales									510	521	500
Wood Products | Engineered I-joists
Revenue from External Customer
Net sales									323	336	336
Wood Products | Softwood plywood
Revenue from External Customer
Net sales									161	200	176
Wood Products | Medium density fiberboard
Revenue from External Customer
Net sales									166	177	183
Wood Products | Complementary building products
Revenue from External Customer
Net sales									602	584	541
Wood Products | Other
Revenue from External Customer
Net sales									$ 337	$ 330	$ 325

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Document and Entity Information - USD ($) shares in Thousands, $ in Billions	12 Months Ended
	Dec. 31, 2019	Feb. 03, 2020	Jun. 30, 2019
Cover [Abstract]
Entity Registrant Name	WEYERHAEUSER COMPANY
Trading Symbol	WY
Entity Central Index Key	0000106535
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Small Business	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		745,519
Entity Public Float			$ 19.6
Entity Shell Company	false
Entity File Number	1-4825
Entity Incorporation, State or Country Code	WA
Entity Tax Identification Number	91-0470860
Entity Address, Address Line One	220 OCCIDENTAL AVENUE SOUTH
Entity Address, City or Town	SEATTLE
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98104-7800
City Area Code	(206)
Local Phone Number	539-3000
Document Annual Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Shares ($1.25 par value)
Security Exchange Name	NYSE
Documents Incorporated by Reference	Portions of the Notice of 2020 Annual Meeting of Shareholders and Proxy Statement for the company’s Annual Meeting of Shareholders to be held May 15, 2020, are incorporated by reference into Part II and III

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CONSOLIDATED BALANCE SHEET - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 139	$ 334
Receivables, net	309	337
Receivables for taxes	98	137
Inventories (Note 6)	416	389
Assets held for sale (Note 4)	140	0
Prepaid expenses and other current assets	147	152
Current restricted financial investments held by variable interest entities (Note 8)	362	253
Total current assets	1,611	1,602
Property and equipment, net (Note 7)	1,969	1,857
Construction in progress	130	136
Timber and timberlands at cost, less depletion	11,929	12,671
Minerals and mineral rights, less depletion	281	294
Deferred tax assets (Note 21)	72	15
Other assets	414	312
Restricted financial investments held by variable interest entities (Note 8)	0	362
Total assets	16,406	17,249
Current liabilities:
Current maturities of long-term debt (Notes 12 and 13)	0	500
Current debt (nonrecourse to the company) held by variable interest entities (Note 8)	0	302
Borrowings on line of credit (Notes 11 and 13)	230	425
Accounts payable	246	222
Accrued liabilities (Note 10)	530	490
Total current liabilities	1,006	1,939
Long-term debt, net (Notes 12 and 13)	6,147	5,419
Deferred tax liabilities (Note 21)	6	43
Deferred pension and other postretirement benefits (Note 9)	693	527
Other liabilities	377	275
Commitments and contingencies (Note 14)
Total liabilities	8,229	8,203
Weyerhaeuser shareholders’ interest (Notes 15 and 16):
Common shares: $1.25 par value; authorized 1,360 million shares; issued and outstanding: 745,300 thousand shares at December 31, 2019 and 746,391 thousand shares at December 31, 2018	932	933
Other capital	8,152	8,172
Retained earnings (accumulated deficit)	(3)	1,093
Accumulated other comprehensive loss (Note 15)	(904)	(1,152)
Total equity	8,177	9,046
Total liabilities and equity	$ 16,406	$ 17,249

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INCOME TAXES - Items Included in Our Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Components Of Deferred Tax Assets And Liabilities [Abstract]
Pension and postretirement benefits	$ 159	$ 112
State tax credits	53	51
Depletion	34	41
Excess interest	55	30
Incentive compensation	17	20
Workers compensation	18	18
Net operating loss carryforwards	28	19
Other	101	96
Gross deferred tax assets	465	387
Valuation allowance	(64)	(61)
Net deferred tax assets	401	326
Property, plant and equipment	(224)	(197)
Timber installment notes	(74)	(116)
Other	(37)	(41)
Net deferred tax liabilities	(335)	(354)
Net deferred tax asset (liability)	$ 66	$ (28)

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NET EARNINGS (LOSS) PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings (Loss) per Share

Calculation of Weighted Average Number of Outstanding Common Shares – Dilutive

SHARES IN THOUSANDS
	2019		2018		2017
Weighted average number of outstanding shares - basic		745,897		754,556		753,085
Dilutive potential common shares:
Stock options		—		1,310		2,571
Restricted stock units		—		566		582
Performance share units		—		395		428
Total effect of outstanding dilutive potential common shares		—		2,271		3,581
Weighted average number of outstanding common shares - dilutive		745,897		756,827		756,666

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

SHARES IN THOUSANDS
	2019		2018		2017
Stock options		2,631		2,402		1,351
Restricted stock units		477		—		—
Performance share units		1,131		1,080		799

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SELECTED QUARTERLY FINANCIAL INFORMATION (unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL INFORMATION (unaudited)

NOTE 23: SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

Quarterly financial data provides a review of our results and performance throughout the year. Our earnings (loss) per share for the full year does not always equal the sum of the four quarterly earnings (loss) per share amounts because of common share activity during the year. As the company’s common shares are traded on the New York Stock Exchange (NYSE), market price information, such as the high and low trading prices for our common shares can be found under the symbol WY.

Key Quarterly Financial Data

DOLLAR AMOUNTS IN MILLIONS, EXCEPT PER-SHARE FIGURES
	FIRST QUARTER			SECOND QUARTER		THIRD QUARTER		FOURTH QUARTER			FULL YEAR
2019:
Net sales	$	1,643		$	1,692	$	1,671	$	1,548		$	6,554
Operating income	$	174		$	186	$	202	$	89		$	651
Earnings (loss) before income taxes	$	(393	)	$	91	$	102	$	(13	)	$	(213	)
Net earnings (loss)	$	(289	)	$	128	$	99	$	(14	)	$	(76	)
Basic and diluted net earnings (loss) per share	$	(0.39	)	$	0.17	$	0.13	$	(0.02	)	$	(0.10	)
Dividends paid per share	$	0.34		$	0.34	$	0.34	$	0.34		$	1.36
2018:
Net sales	$	1,865		$	2,065	$	1,910	$	1,636		$	7,476
Operating income	$	404		$	476	$	337	$	177		$	1,394
Earnings (loss) before income taxes	$	299		$	382	$	240	$	(114	)	$	807
Net earnings (loss)	$	269		$	317	$	255	$	(93	)	$	748
Basic and diluted net earnings (loss) per share	$	0.35		$	0.42	$	0.34	$	(0.12	)	$	0.99
Dividends paid per share	$	0.32		$	0.32	$	0.34	$	0.34		$	1.32

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ACCRUED LIABILITIES

12 Months Ended

Dec. 31, 2019

Accrued Liabilities Current [Abstract]

ACCRUED LIABILITIES

NOTE 10: ACCRUED LIABILITIES

Accrued liabilities were comprised of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
Compensation and employee benefit costs	$	188	$	192
Current portion of lease liabilities (Note 17)		33		—
Customer rebates, volume discounts and deferred income		105		99
Interest		98		109
Taxes payable		24		30
Other		82		60
Total	$	530	$	490

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BUSINESS SEGMENTS

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

BUSINESS SEGMENTS

NOTE 2: BUSINESS SEGMENTS

Our business segments and how we account for those segments are discussed in Note 1: Summary of Significant Accounting Policies. This note provides key financial data by business segment.

KEY FINANCIAL DATA BY BUSINESS SEGMENT

Sales and Net Contribution (Charge) to Earnings

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS AND INTERSEGMENT ELIMINATIONS			CONSOLIDATED
Sales to unaffiliated customers(1)
2019	$	1,618	$	313	$	4,623	$	—		$	6,554
2018	$	1,873	$	306	$	5,297	$	—		$	7,476
2017	$	1,893	$	280	$	5,023	$	—		$	7,196
Intersegment sales(1)
2019	$	503	$	1	$	—	$	(504	)	$	—
2018	$	537	$	1	$	—	$	(538	)	$	—
2017	$	522	$	1	$	—	$	(523	)	$	—
Net contribution (charge) to earnings
2019	$	347	$	144	$	353	$	(679	)	$	165
2018	$	583	$	127	$	838	$	(366	)	$	1,182
2017	$	532	$	146	$	569	$	(138	)	$	1,109

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, we no longer report related intersegment sales in the Timberlands segment and we now record the minimal associated third-party log sales in the Wood Products segment. These collective transactions did not contribute any earnings to the Timberlands or Wood Products segment. We have conformed prior year presentations with the current year.

Management evaluates segment performance based on the net contribution (charge) to earnings of the respective segments. An analysis and reconciliation of our business segment information to the consolidated financial statements follows:

Reconciliation of Net Contribution to Earnings to Net Earnings (Loss)

DOLLAR AMOUNTS IN MILLIONS
	2019			2018			2017
Net contribution to earnings	$	165		$	1,182		$	1,109
Interest expense, net of capitalized interest		(378	)		(375	)		(393	)
Income (loss) before income taxes		(213	)		807			716
Income taxes		137			(59	)		(134	)
Net earnings (loss)	$	(76	)	$	748		$	582

Additional Financial Information

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS		REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Depreciation, depletion and amortization
2019	$	301	$	14	$	191	$	4	$	510
2018	$	319	$	14	$	149	$	4	$	486
2017	$	356	$	15	$	145	$	5	$	521
Capital expenditures
2019	$	112	$	—	$	257	$	15	$	384
2018	$	117	$	—	$	306	$	4	$	427
2017	$	115	$	2	$	299	$	3	$	419

Total Assets

DOLLAR AMOUNTS IN MILLIONS
	TIMBERLANDS and REAL ESTATE & ENR		WOOD PRODUCTS		UNALLOCATED ITEMS		CONSOLIDATED
Total assets(1)(2)
2019	$	13,130	$	2,452	$	824	$	16,406
2018	$	13,792	$	2,280	$	1,177	$	17,249

(1) In 2019, we changed the way we report our Canadian Forestlands operations. As a result, Canadian Forestlands assets previously reported in the Timberlands segment are now recorded in the Wood Products segment. We have conformed prior year presentations with the current year.

(2) Assets attributable to the Real Estate & ENR business segment are combined with total assets for the Timberlands segment as we do not produce separate balance sheets internally.

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INVENTORIES

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

INVENTORIES

NOTE 6: INVENTORIES

Inventories include raw materials, work-in-process, finished goods as well as materials and supplies, as shown below:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
LIFO inventories:
Logs	$	19	$	11
Lumber, plywood, panels and fiberboard		82		75
Other products		10		10
FIFO or moving average cost inventories:
Logs		28		35
Lumber, plywood, panels, fiberboard and engineered wood products		84		86
Other products		98		83
Materials and supplies		95		89
Total	$	416	$	389

If we used FIFO for all LIFO inventories, our stated inventories would have been higher by $76 million as of December 31, 2019, and $79 million as of December 31, 2018.

HOW WE ACCOUNT FOR OUR INVENTORIES

The Inventories section of Note 1: Summary of Significant Accounting Policies provides details about how we account for our inventories.

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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

NOTE 14: LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

This note provides details about our:

• legal proceedings,

• environmental matters and

• commitments and other contingencies.

LEGAL PROCEEDINGS

We are party to various legal proceedings arising in the ordinary course of business. We are not currently a party to any legal proceeding that management believes could have a material adverse effect on our Consolidated Balance Sheet, Consolidated Statement of Operations or Consolidated Statement of Cash Flows.

ENVIRONMENTAL MATTERS

Site Remediation

Under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) – commonly known as Superfund – and similar state laws, we are a party to various proceedings related to the cleanup of hazardous waste sites and have been notified that we may be a potentially responsible party related to the cleanup of other hazardous waste sites for which proceedings have not yet been initiated.

We have received notification from the Environmental Protection Agency (the EPA) and have acknowledged that we are a potentially responsible party in a portion of the Kalamazoo River Superfund site in southwest Michigan. Our involvement in the remediation site is based on our former

ownership of the Plainwell, Michigan mill located within the remediation site. Several other companies also have been deemed potentially responsible parties as past or present owners or operators of facilities within the site, or as arrangers under CERCLA.

We cooperated with other parties to jointly implement an administrative order issued by the EPA on April 14, 2016, with respect to a portion of the site comprising a stretch of the river approximately 1.7 miles long referred to as the Otsego Township Dam Area. During third quarter 2018, implementation of this administrative order was completed.

In 2010, the company, along with others, was named as a defendant by Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia-Pacific LLC in an action seeking contribution under CERCLA for remediation costs relating to a certain area within the site. On March 29, 2018, the U.S. District Court issued an opinion and order assigning the company responsibility for 5 percent of approximately $50 million in past costs incurred by the plaintiffs. The remaining 95 percent of this pool of past costs incurred was allocated to the plaintiffs and other defendants.

The opinion and order, which is currently on appeal before the U.S. Court of Appeals for the Sixth Circuit, does not establish allocation for future remediation costs, and accordingly, we may incur additional costs in connection with future remediation tasks for other areas of the site. In connection with the opinion and order, we updated our best estimate of the liability associated with the site and recorded a pretax charge of $28 million in first quarter 2018 within "Other operating costs (income), net" on our Consolidated Statement of Operations.

Our Established Reserves. We have established reserves for estimated remediation costs on the active Superfund sites and other sites for which we are a potentially responsible party. These reserves are recorded in "Accrued liabilities" and "Other liabilities" on our Consolidated Balance Sheet.

Changes in the Reserve for Environmental Remediation

DOLLAR AMOUNTS IN MILLIONS
Reserve balance as of December 31, 2018	$	62
Reserve charges and adjustments, net		4
Payments		(5	)
Reserve balance as of December 31, 2019	$	61

We change our reserve to reflect:

• new information on any site concerning implementation of remediation alternatives,

• updates on prior cost estimates and new sites and

• costs incurred to remediate sites.

Estimates. We believe it is reasonably possible, based on currently available information and analysis, that remediation costs for all identified sites may exceed our existing reserves by up to $124 million.

This estimate, in which those additional costs may be incurred over several years, is the upper end of the range of reasonably possible additional costs. The estimate:

• is much less certain than the estimates on which our accruals currently are based and

• uses assumptions that are less favorable to us among the range of reasonably possible outcomes.

In estimating our current accruals and the possible range of additional future costs, we:

• assumed we will not bear the entire cost of remediation of every site,

• took into account the ability of other potentially responsible parties to participate and

• considered each party’s financial condition and probable contribution on a per-site basis.

We have not recorded any amounts for potential recoveries from insurance carriers.

Asset Retirement Obligations

We have obligations associated with the retirement of tangible long-lived assets consisting primarily of reforestation obligations related to forest management licenses in Canada and obligations to close and cap landfills. Some of our sites have asbestos containing materials. We have met our current legal obligation to identify and manage these materials. In situations where we cannot reasonably determine when asbestos containing materials might be removed from the sites, we have not recorded an accrual because the fair value of the obligation cannot be reasonably estimated. As of December 31, 2019, and December 31, 2018, we had an asset retirement obligation reserve of $30 million and $29 million, respectively. These obligations are recorded in "Accrued liabilities" and "Other liabilities" on our Consolidated Balance Sheet.

COMMITMENTS AND OTHER CONTINGENCIES

Product Remediation Contingency

Refer to Note 19: Charges (Recoveries) for Product Remediation, Net for further information.

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CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS

12 Months Ended

Dec. 31, 2019

Restructuring Costs And Asset Impairment Charges [Abstract]

CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS

NOTE 18: CHARGES FOR INTEGRATION AND RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS

INTEGRATION, RESTRUCTURING AND CLOSURES

During 2017, we incurred and accrued a total of $34 million for termination benefits (primarily severance), non-recurring professional services and other costs directly attributable to our merger with Plum Creek.

Other restructuring and closure costs totaled $6 million in 2017, which included lease termination charges, dismantling and demolition of plant and equipment, gain or loss on disposition of assets, environmental cleanup costs and incremental costs to wind down operating facilities.

ASSET IMPAIRMENTS

The “Impairment of Long-Lived Assets” section of Note 1: Summary of Significant Accounting Policies provides details about how we account for impairments. Additional information can also be found in our Critical Accounting Policies.

In 2019, we recognized an impairment charge of $80 million related to our Montana timberlands assets. On December 17, 2019, we announced an agreement to sell 630,000 acres of Montana timberlands, and the related assets met the relevant criteria to be classified as held for sale as of December 31, 2019. This designation required us to record the related assets at fair value, less an amount of estimated selling costs, and thus recognize an $80 million noncash pretax impairment charge in the Timberlands segment. The fair value of the related assets was primarily based on the agreed upon cash purchase price of $145 million.

In 2017, we recognized an impairment charge of $147 million related to the timberlands and manufacturing assets of our Uruguay operations.

Refer to Note 4: Divestitures and Assets Held for Sale for further details on the assets held for sale and the sale of our Uruguay operations.

Additionally, in 2017, we recognized a small impairment charge related to a nonstrategic asset in our Wood Products segment. The fair value of the asset was determined using the value indicated in a purchase and sale agreement.

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LEASES Operating Lease Commitments (Details) $ in Millions	Dec. 31, 2018 USD ($)
Leases [Abstract]
Operating lease commitment due 2019	$ 35
Operating lease commitment due 2020	29
Operating lease commitment due 2021	26
Operating lease commitment due 2022	24
Operating lease commitment due 2023	18
Operating lease commitment due Thereafter	$ 78

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INCOME TAXES - Domestic and Foreign Earnings (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]
Domestic earnings (loss)									$ (268)	$ 556	$ 643
Foreign earnings									55	251	73
Earnings (loss) before income taxes	$ (13)	$ 102	$ 91	$ (393)	$ (114)	$ 240	$ 382	$ 299	$ (213)	$ 807	$ 716

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LEASES Supplemental Cash Flow Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 20
Financing cash flows for financing leases	16
ROU assets obtained in exchange for new (modified) lease liabilities:
Operating leases	6
Financing leases	$ 5

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Changes in Fair Value of Plan Assets (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)		$ 4,930	$ 5,514
Adjustment for final fair value of plan assets		16	44
Actual return on plan assets		449	123
Foreign currency translation		38	(73)
Employer contributions and benefit payments		30	345
Plan participants’ contributions		0	0
Plan transfers		1	1
Benefits paid (includes lump sum and annuity transfers)	$ (664)	(1,745)	(1,024)
Fair value of plan assets at end of year (estimated)	4,930	3,719	4,930
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year (estimated)		18	0
Adjustment for final fair value of plan assets		0	0
Actual return on plan assets		1	0
Foreign currency translation		0	0
Employer contributions and benefit payments		15	36
Plan participants’ contributions		2	4
Plan transfers		0	0
Benefits paid (includes lump sum and annuity transfers)		(17)	(22)
Fair value of plan assets at end of year (estimated)	$ 18	$ 19	$ 18

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SHAREHOLDERS' INTEREST - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of year	$ 9,046	$ 8,899
Translation adjustments	26	(54)	$ 32
Reclassification of certain effects due to tax law changes		(253)
Reclassification of accumulated unrealized gains on available-for-sale securities		(9)
Balance at end of year	8,177	9,046	8,899
Pension
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of year	(1,343)	(1,810)	(1,660)
Other comprehensive income (loss) before reclassifications	(216)	388	(282)
Amounts reclassified from accumulated other comprehensive income (loss) to earnings	431	325	132
Total other comprehensive income (loss)	215	713	(150)
Reclassification of certain effects due to tax law changes	0	(246)	0
Balance at end of year	(1,128)	(1,343)	(1,810)
Defined Benefit Plan, Plan Assets, Payment for Settlement	455	200
Other Postretirement Benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of year	(19)	(25)	(38)
Other comprehensive income (loss) before reclassifications	6	13	14
Amounts reclassified from accumulated other comprehensive income (loss) to earnings	1	0	(1)
Total other comprehensive income (loss)	7	13	13
Reclassification of certain effects due to tax law changes	0	(7)	0
Balance at end of year	(12)	(19)	(25)
Translation Adjustment And Other
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of year	210	273	239
Translation adjustments	26	(54)	34
Total other comprehensive income (loss)	26	(54)	34
Reclassification of accumulated unrealized gains on available-for-sale securities	0	(9)	0
Balance at end of year	236	210	273
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of year	(1,152)	(1,562)	(1,459)
Balance at end of year	$ (904)	$ (1,152)	$ (1,562)

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NET EARNINGS (LOSS) PER SHARE - Schedule of Potential Shares Not Included in the Computation of Diluted Earnings (Loss) Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potential shares not included in the computation of diluted earnings (loss) per share	2,631	2,402	1,351
Restricted stock units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potential shares not included in the computation of diluted earnings (loss) per share	477	0	0
Performance share units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potential shares not included in the computation of diluted earnings (loss) per share	1,131	1,080	799

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PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property and Equipment [Line Items]
Depreciation and amortization expense	$ 510	$ 486	$ 521
Property and Equipment
Property and Equipment [Line Items]
Depreciation and amortization expense	$ 240	$ 197	$ 206

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SHARE-BASED COMPENSATION - Schedule of Performance Share Units Activity (Details) - Performance share units - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock Units
Balance, beginning of year	1,042
Granted	419
Vested	(153)
Forfeited	(26)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment	(233)
Balance, end of year	1,049	1,042
Nonvested performance share units that have met the requisite service period and will be released as identified in the grant terms	519
Weighted Average Grant Date Fair Value
Balance, beginning of year	$ 31.52
Granted	29.66	$ 35.49	$ 37.93
Vested	22.80
Forfeited	34.05
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value	22.80
Balance, end of year	$ 33.93	$ 31.52

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SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2019

Share Based Compensation [Abstract]

Schedule of Restricted Stock Units Activity

Activity

The following table shows our RSU activity for 2019:

	RESTRICTED STOCK UNITS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,593		$	31.41
Granted		865		$	25.83
Vested		(582	)	$	30.34
Forfeited		(87	)	$	29.40
Nonvested at December 31, 2019(1)		1,789		$	29.15

(1) As of December 31, 2019, there were approximately 526 thousand RSUs that had met the requisite service period and will be released as identified in the grant terms.

Weighted Average Assumptions Used in Estimating the Value of Performance Share Units

Weighted Average Assumptions Used in Estimating the Value of PSUs

	2019 GRANTS		2018 GRANTS		2017 GRANTS
Performance period	1/1/2019-12/31/2021		1/1/2018-12/31/2020		1/1/2017-12/31/2019
Expected dividends	5.25%		3.81%		3.74%
Risk-free rate	2.43% - 2.55%		1.75% - 2.34%		0.68% - 1.55%
Volatility	22.50% - 27.40%		17.30% - 21.52%		22.71% - 24.07%
Weighted average grant-date fair value	$	29.66	$	35.49	$	37.93

Schedule of Performance Share Units Activity

Activity

The following table shows our PSU activity for 2019:

	GRANTS (IN THOUSANDS)			WEIGHTED AVERAGE GRANT-DATE FAIR VALUE
Nonvested at December 31, 2018		1,042		$	31.52
Granted at target		419			29.66
Vested		(153	)		22.80
Forfeited		(26	)		34.05
Performance adjustment		(233	)		22.80
Nonvested at December 31, 2019(1)		1,049		$	33.93

(1) As of December 31, 2019, there were approximately 519 thousand PSUs that had met the requisite service period and will be released as identified in the grant terms.

Schedule of Stock Options Activity

Activity

The following table shows our stock option activity for 2019:

	OPTIONS (IN THOUSANDS)			WEIGHTED AVERAGE EXERCISE PRICE		WEIGHTED AVERAGE REMAINING CONTRACTUAL TERM (IN YEARS)		AGGREGATE INTRINSIC VALUE (IN MILLIONS)
Outstanding at December 31, 2018		6,366		$	26.75
Exercised		(661	)	$	19.16
Forfeited or expired		(430	)	$	31.63
Outstanding at December 31, 2019(1)		5,275		$	27.30		4.61	$	21
Exercisable at December 31, 2019		4,678		$	27.84		4.42	$	17

(1) As of December 31, 2019, there were approximately 324 thousand stock options that had met the requisite service period and will be released as identified in the grant terms.

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LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Long-Term Debt by Types and Interest Rates (Includes Current Portion)

The following table lists our long-term debt by types and interest rates at the end of our last two years and includes the current portion.

Long-Term Debt by Types and Interest Rates (Includes Current Portion)

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019			DECEMBER 31, 2018
7.375% notes due 2019	$	—		$	500
9.00% debentures due 2021		150			150
4.70% debentures due 2021		569			569
7.125% debentures due 2023		191			191
5.207% debentures due 2023		860			860
4.625% notes due 2023		500			500
3.25% debentures due 2023		325			325
8.50% debentures due 2025		300			300
7.95% debentures due 2025		136			136
7.70% debentures due 2026		150			150
7.35% debentures due 2026		62			62
7.85% debentures due 2026		100			100
Variable-rate term loan credit facility matures 2026		225			225
6.95% debentures due 2027		300			300
4.00% notes due 2029		750			—
7.375% debentures due 2032		1,250			1,250
6.875% debentures due 2033		275			275
Other		1			1
Total principal long-term debt		6,144			5,894
Add: fair value adjustments (related to Plum Creek merger)		27			39
Less: unamortized discounts		(14	)		(5	)
Less: unamortized debt expense		(10	)		(9	)
Total	$	6,147		$	5,919
Portion due within one year	$	—		$	500

Amounts of Long-Term Debt Due Annually for the Next Five Years and Thereafter

Amounts of Long-Term Debt Due Annually for the Next Five Years and Thereafter

DOLLAR AMOUNTS IN MILLIONS (1)
2020	$	—
2021	$	719
2022	$	—
2023	$	1,876
2024	$	—
Thereafter	$	3,549

(1) Excludes $3 million of unamortized discounts, capitalized debt expense and fair value adjustments (related to Plum Creek merger).

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LEASES Maturities of Lease Liabilities (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Lease
Operating lease liability payments of 2020	$ 20
Operating lease liability payments of 2021	18
Operating lease liability payments of 2022	17
Operating lease liability payments of 2023	16
Operating lease liability payments of 2024	12
Operating lease liability payments thereafter	70
Operating lease total payments due	153
Operating lease interest	(30)
Operating lease liability present value	123
Finance Leases
Finance lease liability payments of 2020	14
Finance lease liability payments of 2021	10
Finance lease liability payments of 2022	7
Finance lease liability payments of 2023	4
Finance lease liability payments of 2024	0
Finance lease liability payments thereafter	0
Finance lease total payments due	35
Finance lease interest	(2)
Finance lease liability present value	$ 33

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OTHER OPERATING COSTS (INCOME), NET - Income and Expense Items Included in Other Operating Costs (Income), Net (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) a
Other Operating Income (Expense) [Line Items]
Environmental remediation insurance recoveries	$ 0	$ (5)	$ (42)
Foreign exchange losses (gains), net	2	(3)	(1)
Gain on disposition of nonstrategic assets	(4)	(5)	(16)
Gain on sale of timberlands	(48)	0	(99)
Litigation expense, net	63	35	20
Research and development expenses	6	8	14
Other, net	28	52	10
Total other operating costs (income), net	$ 47	$ 82	(114)
Twin Creeks
Other Operating Income (Expense) [Line Items]
Gain on sale of timberlands			$ (99)
Sale of timberland acreage | a			100,000

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FAIR VALUE OF FINANCIAL INSTRUMENTS

12 Months Ended

Dec. 31, 2019

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]

FAIR VALUE OF FINANCIAL INSTRUMENTS

NOTE 13: FAIR VALUE OF FINANCIAL INSTRUMENTS

FAIR VALUE OF DEBT

The estimated fair values and carrying values of our long-term debt and line of credit consisted of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019				DECEMBER 31, 2018
	CARRYING VALUE		FAIR VALUE (LEVEL 2)		CARRYING VALUE		FAIR VALUE (LEVEL 2)
Long-term debt (including current maturities) and line of credit:
Fixed rate	$	5,922	$	6,986	$	5,694	$	6,345
Variable rate		455		455		650		650
Total Debt	$	6,377	$	7,441	$	6,344	$	6,995

To estimate the fair value of long-term debt we used the market approach, which is based on quoted market prices we received for the same types and issues of our debt.

We believe that our variable-rate long-term debt and line of credit instruments have net carrying values that approximate their fair values with only insignificant differences.

The inputs to these valuations are based on market data obtained from independent sources or information derived principally from observable market data. The difference between the fair value and the carrying value represents the theoretical net premium or discount we would pay or receive to retire all debt at the measurement date.

FAIR VALUE OF OTHER FINANCIAL INSTRUMENTS

We believe that our other financial instruments, including cash and cash equivalents, short-term investments, mutual fund investments held in grantor trusts, receivables and payables, have net carrying values that approximate their fair values with only insignificant differences. This is primarily due to the short-term nature of these instruments and the allowance for doubtful accounts.

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LEASES

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

LEASES

NOTE 17: LEASES

We account for leases in accordance with ASC Topic 842, Leases, which we adopted on January 1, 2019 using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings. This adoption resulted in the recognition of right-of-use assets ("ROU assets") of $165 million and lease liabilities of $172 million, with the difference of $7 million recorded to "Retained earnings", on our Consolidated Balance Sheet on January 1, 2019.

The majority of our operating leases are related to our office and warehouse space, and the majority of our financing leases are related to vehicles and forklifts. Our leases have remaining lease terms of approximately 1 year to 25 years. Options to renew, extend or terminate a lease are reflected in our lease terms when we believe it is reasonably certain we will exercise that option. When our leases do not provide an implicit or an explicit interest rate, we use our incremental borrowing rate in determining the present value of lease payments.

Lease Expense

DOLLAR AMOUNTS IN MILLIONS
	2019
Operating lease costs	$	20
Financing lease costs		15
Total lease costs	$	35

Supplemental Cash Flow Information

DOLLAR AMOUNTS IN MILLIONS
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	20
Financing cash flows for financing leases(1)	$	16
ROU assets obtained in exchange for new (modified) lease liabilities:
Operating leases	$	6
Financing leases	$	5

(1) Interest expense related to financing leases was immaterial during 2019.

Supplemental Balance Sheet Information Related to Leases

DOLLAR AMOUNTS IN MILLIONS
		DECEMBER 31, 2019
LEASES	BALANCE SHEET CLASSIFICATION
Assets
Operating lease ROU assets	Other assets	$	120
Financing lease ROU assets	Property and equipment, net		28
Total leased assets		$	148
Liabilities
Current:
Operating lease liabilities	Accrued liabilities	$	20
Financing lease liabilities	Accrued liabilities		13
Noncurrent:
Operating lease liabilities	Other liabilities		103
Financing lease liabilities	Other liabilities		20
Total lease liabilities		$	156

Weighted Average Remaining Lease Term

	DECEMBER 31, 2019
Operating leases	11 years
Financing leases	3 years

Weighted Average Discount Rate

	DECEMBER 31, 2019
Operating leases	4.2%
Financing leases	3.1%

Maturities of Lease Liabilities as of December 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	OPERATING LEASES			FINANCING LEASES
2020	$	20		$	14
2021		18			10
2022		17			7
2023		16			4
2024		12			—
Thereafter		70			—
Total lease payments		153			35
Less: interest		(30	)		(2	)
Total present value of lease liabilities	$	123		$	33

Operating Lease Commitments as of December 31, 2018

DOLLAR AMOUNTS IN MILLIONS
2019	$	35
2020	$	29
2021	$	26
2022	$	24
2023	$	18
Thereafter	$	78

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SHAREHOLDERS' INTEREST - Reconciliation of Our Common Share Activity (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Class Of Stock [Line Items]
Outstanding at beginning of year	746,391	755,223	748,528
Repurchased	(2,349)	(11,410)	0
Outstanding at end of year	745,300	746,391	755,223
Stock options
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	660	2,026	5,970
Vested restricted stock units
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	480	466	605
Vested performance share units
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	118	86	120

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NET EARNINGS (LOSS) PER SHARE - Schedule of Earning (Loss) per share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share Basic And Diluted [Line Items]
Basic	745,897	754,556	753,085
Dilutive potential common shares	0	2,271	3,581
Diluted	745,897	756,827	756,666
Stock options
Earnings Per Share Basic And Diluted [Line Items]
Dilutive potential common shares	0	1,310	2,571
Restricted stock units
Earnings Per Share Basic And Diluted [Line Items]
Dilutive potential common shares	0	566	582
Performance share units
Earnings Per Share Basic And Diluted [Line Items]
Dilutive potential common shares	0	395	428

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PROPERTY AND EQUIPMENT - Carrying Value of Property and Equipment and Estimated Service Lives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property and Equipment [Line Items]
Property and equipment, at cost	$ 5,446	$ 5,233
Accumulated depreciation and amortization	(3,477)	(3,376)
Property and equipment, net	1,969	1,857
Land
Property and Equipment [Line Items]
Property and equipment, at cost	87	87
Buildings and improvements
Property and Equipment [Line Items]
Property and equipment, at cost	$ 999	942
Buildings and improvements | Minimum
Property and Equipment [Line Items]
Estimated service lives	15 years
Buildings and improvements | Maximum
Property and Equipment [Line Items]
Estimated service lives	40 years
Machinery and Equipment
Property and Equipment [Line Items]
Property and equipment, at cost	$ 3,425	3,240
Machinery and Equipment | Minimum
Property and Equipment [Line Items]
Estimated service lives	5 years
Machinery and Equipment | Maximum
Property and Equipment [Line Items]
Estimated service lives	25 years
Roads
Property and Equipment [Line Items]
Property and equipment, at cost	$ 742	785
Roads | Minimum
Property and Equipment [Line Items]
Estimated service lives	10 years
Roads | Maximum
Property and Equipment [Line Items]
Estimated service lives	35 years
Other
Property and Equipment [Line Items]
Property and equipment, at cost	$ 193	$ 179
Other | Minimum
Property and Equipment [Line Items]
Estimated service lives	3 years
Other | Maximum
Property and Equipment [Line Items]
Estimated service lives	10 years

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SHARE-BASED COMPENSATION - Weighted Average Assumptions Used in Estimating the Value of Performance Share Units (Details) - Performance share units - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Expected dividends	5.25%	3.81%	3.74%
Risk-free rate minimum	2.43%	1.75%	0.68%
Risk-free rate maximum	2.55%	2.34%	1.55%
Volatility minimum	22.50%	17.30%	22.71%
Volatility maximum	27.40%	21.52%	24.07%
Weighted average grant-date fair value	$ 29.66	$ 35.49	$ 37.93
Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Performance period	Jan. 01, 2019	Jan. 01, 2018	Jan. 01, 2017
Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Performance period	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019

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LEASES Summary of Lease Expense (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease costs	$ 20
Financing lease costs	15
Total lease costs	$ 35

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Funded Status of Our Plans (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3,719	$ 4,930	$ 5,514
Projected benefit obligations	(4,260)	(5,263)	(6,795)
Funded status	(541)	(333)
Noncurrent assets	47	74
Current liabilities	(19)	(18)
Noncurrent liabilities	(569)	(389)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	19	18	0
Projected benefit obligations	(151)	(166)	$ (200)
Funded status	(132)	(148)
Noncurrent assets	0	0
Current liabilities	(8)	(10)
Noncurrent liabilities	$ (124)	$ (138)

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LEASES (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Lease Expense

Lease Expense

DOLLAR AMOUNTS IN MILLIONS
	2019
Operating lease costs	$	20
Financing lease costs		15
Total lease costs	$	35

Supplemental Cash Flow Information

Supplemental Cash Flow Information

DOLLAR AMOUNTS IN MILLIONS
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	20
Financing cash flows for financing leases(1)	$	16
ROU assets obtained in exchange for new (modified) lease liabilities:
Operating leases	$	6
Financing leases	$	5

(1) Interest expense related to financing leases was immaterial during 2019.

Supplemental Balance Sheet Information Related to Leases

Supplemental Balance Sheet Information Related to Leases

DOLLAR AMOUNTS IN MILLIONS
		DECEMBER 31, 2019
LEASES	BALANCE SHEET CLASSIFICATION
Assets
Operating lease ROU assets	Other assets	$	120
Financing lease ROU assets	Property and equipment, net		28
Total leased assets		$	148
Liabilities
Current:
Operating lease liabilities	Accrued liabilities	$	20
Financing lease liabilities	Accrued liabilities		13
Noncurrent:
Operating lease liabilities	Other liabilities		103
Financing lease liabilities	Other liabilities		20
Total lease liabilities		$	156

Weighted Average Remaining Lease Term

Weighted Average Remaining Lease Term

	DECEMBER 31, 2019
Operating leases	11 years
Financing leases	3 years

Weighted Average Discount Rate

	DECEMBER 31, 2019
Operating leases	4.2%
Financing leases	3.1%

Schedule of Maturities of Operating and Finance Leases Liabilities

Maturities of Lease Liabilities as of December 31, 2019

DOLLAR AMOUNTS IN MILLIONS
	OPERATING LEASES			FINANCING LEASES
2020	$	20		$	14
2021		18			10
2022		17			7
2023		16			4
2024		12			—
Thereafter		70			—
Total lease payments		153			35
Less: interest		(30	)		(2	)
Total present value of lease liabilities	$	123		$	33

Schedule of Operating Lease Commitments

Operating Lease Commitments as of December 31, 2018

DOLLAR AMOUNTS IN MILLIONS
2019	$	35
2020	$	29
2021	$	26
2022	$	24
2023	$	18
Thereafter	$	78

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]

Estimated Fair Values and Carrying Values of Long-Term Debt and Line of Credit

The estimated fair values and carrying values of our long-term debt and line of credit consisted of the following:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019				DECEMBER 31, 2018
	CARRYING VALUE		FAIR VALUE (LEVEL 2)		CARRYING VALUE		FAIR VALUE (LEVEL 2)
Long-term debt (including current maturities) and line of credit:
Fixed rate	$	5,922	$	6,986	$	5,694	$	6,345
Variable rate		455		455		650		650
Total Debt	$	6,377	$	7,441	$	6,344	$	6,995

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Estimated Projected Benefit Payments for the Next 10 Years (Details) $ in Millions	Dec. 31, 2019 USD ($)
Pension
Defined Benefit Plan Disclosure [Line Items]
Expected Future Benefit Payments 2020	$ 237
Expected Future Benefit Payments 2021	235
Expected Future Benefit Payments 2022	236
Expected Future Benefit Payments 2023	238
Expected Future Benefit Payments 2024	237
Expected Future Benefit Payments 2025-2029	1,176
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected Future Benefit Payments 2020	14
Expected Future Benefit Payments 2021	13
Expected Future Benefit Payments 2022	13
Expected Future Benefit Payments 2023	12
Expected Future Benefit Payments 2024	11
Expected Future Benefit Payments 2025-2029	$ 47

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SHAREHOLDERS' INTEREST - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Feb. 07, 2019
Class Of Stock [Line Items]
Shares repurchased during period	2,349,000	11,410,000	0
Unsettled share repurchases	$ 0	$ 0
2019 Repurchase Program
Class Of Stock [Line Items]
Stock repurchase program, authorized amount				$ 500,000,000
Shares repurchased during period	2,300,000
Shares repurchased during period value	$ 60,000,000
Stock repurchase program, remaining authorized repurchase amount	$ 440,000,000
2016 Repurchase Program
Class Of Stock [Line Items]
Shares repurchased during period		11,400,000	0
Shares repurchased during period value		$ 366,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 135,000,000
Preferred shares
Class Of Stock [Line Items]
Preferred shares, outstanding	0	0
Preferred shares, authorized	7,000,000	40,000,000
Preferred shares, par value	$ 1.00	$ 1.00

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LONG-TERM DEBT - Amounts of Long-Term Debt Due Annually for the Next Five Years and Thereafter (Details) $ in Millions	Dec. 31, 2019 USD ($)
Debt Disclosure [Abstract]
2020	$ 0
2021	719
2022	0
2023	1,876
2024	0
Thereafter	$ 3,549

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Rates We Use in Estimating Our Benefit Obligations (Details) - Pension	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Lump sum or installment distributions election	60.00%	60.00%
U.S.
Defined Benefit Plan Disclosure [Line Items]
Discount rates, benefit obligation	3.40%	4.40%
Canada
Defined Benefit Plan Disclosure [Line Items]
Discount rates, benefit obligation	3.10%	3.70%
Salaried | Canada
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	3.25%	3.25%
Hourly | Canada
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	3.00%	3.00%
Maximum | Salaried | U.S.
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	13.00%	13.00%
Maximum | Hourly | U.S.
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	13.00%	13.00%
Minimum | Salaried | U.S.
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	2.00%	2.00%
Minimum | Hourly | U.S.
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	2.30%	2.30%

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Assets Within Our U.S. and Canadian Qualified and Registered Pension Plans (Details) - Qualified and Registered Plans	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	100.00%	100.00%
Cash and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	3.20%	5.80%
Fixed income investments, Corporate
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	33.90%	21.50%
Government
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	25.40%	8.60%
Fixed Income Investments, Repurchase Agreements
Defined Benefit Plan Disclosure [Line Items]
Repurchase agreements	(4.70%)	0.00%
Hedge funds and related investments
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	14.30%	36.90%
Public equity investments
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	0.10%	0.00%
Private equity and related investments
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	27.70%	21.90%
Derivative instruments, net
Defined Benefit Plan Disclosure [Line Items]
Assets invested in pension plan, allocation percentage	0.30%	5.60%
Accrued liabilities
Defined Benefit Plan Disclosure [Line Items]
Repurchase agreements	(0.20%)	(0.30%)

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LINES OF CREDIT - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Line Of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity				$ 1,500,000,000
Line of credit expiration date		Mar. 31, 2022
Line of credit, amount outstanding		$ 230,000,000	$ 425,000,000
Line of credit, remaining borrowing capacity		1,270,000,000
Compensating balance requirements for our letters of credit		$ 3,000,000	$ 6,000,000
Subsequent Event | Amended and Restated
Line Of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	$ 1,500,000,000
Line of credit expiration date	Jan. 31, 2025

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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Changes in unamortized actuarial loss, tax (expense) benefit	$ (73)	$ (235)	$ 2
Changes in unamortized net prior service credit, tax (expense) benefit	$ (1)	$ 3	$ 2

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Negative book cash balances	$ 0	$ 0
Employee benefits retirement period	10 years
Net Sales | Customer Concentration Risk
Concentration risk, percentage	10.00%	10.00%
Canada | Minimum
Term of timber lease	15 years
Canada | Maximum
Term of timber lease	25 years

XML

CONSOLIDATED STATEMENT OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Cash Flows [Abstract]
Interest, amount capitalized	$ 5	$ 9	$ 9

XML

BUSINESS SEGMENTS - Total Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 16,406	$ 17,249
Operating segments | Timberlands and Real Estate & ENR
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	13,130	13,792
Operating segments | Wood Products
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,452	2,280
Unallocated Items
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 824	$ 1,177

XML

INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Inventories

Inventories include raw materials, work-in-process, finished goods as well as materials and supplies, as shown below:

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
LIFO inventories:
Logs	$	19	$	11
Lumber, plywood, panels and fiberboard		82		75
Other products		10		10
FIFO or moving average cost inventories:
Logs		28		35
Lumber, plywood, panels, fiberboard and engineered wood products		84		86
Other products		98		83
Materials and supplies		95		89
Total	$	416	$	389

XML

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Real Estate Investment Trust Election (REIT)

OUR ELECTION TO BE TAXED AS A REAL ESTATE INVESTMENT TRUST (REIT)

Starting with our 2010 fiscal year, we elected to be taxed as a REIT. REIT income can be distributed to shareholders without first paying corporate level tax, substantially eliminating the double taxation on income. We expect to derive most of our REIT income from investments in timberlands, including the sale of standing timber through pay-as-cut sales contracts and lump sum timber deeds.

We have not been subject to REIT built-in gains tax since December 31, 2014. We continue to be required to pay federal corporate income taxes on earnings of our Taxable REIT Subsidiaries (TRSs), which include our Wood Products segment and portions of our Timberlands and Real Estate, Energy and Natural Resources (Real Estate & ENR) segments.

Consolidated Financial Statements

Consolidated Financial Statements

Our consolidated financial statements provide an overall view of our results and financial condition. They include our accounts and the accounts of entities that we control, including:

• majority-owned domestic and foreign subsidiaries and

• variable interest entities in which we are the primary beneficiary.

They do not include our intercompany transactions and accounts, which are eliminated.

Our Business Segments

Our Business Segments

Reportable business segments are determined based on the company’s "management approach," as defined by Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 280, Segment Reporting. The management approach is based on the way the chief operating decision maker organizes the segments within a company for making decisions about resources to be allocated and assessing their performance.

We are principally engaged in:

• growing and harvesting timber;

• manufacturing, distributing and selling products made from trees;

• maximizing the value of every acre we own through the sale of higher and better use (HBU) properties and

• monetizing the value of surface and subsurface assets through leases and royalties.

Our business segments are organized based primarily on products and services.

SEGMENT	PRODUCTS AND SERVICES
Timberlands	Logs, timber, recreational leases and other products
Real Estate & ENR	Real Estate (sales of timberlands) and ENR (rights to explore for and extract hard minerals, construction materials, oil and gas production, wind and solar)
Wood Products	Structural lumber, oriented strand board, engineered wood products and building materials distribution

We also transfer raw materials, semi-finished materials and end products among our business segments. Because of this intracompany activity, accounting for our business segments involves pricing products transferred between our business segments at current market values.

Unallocated Items are gains or charges related to company level initiatives or previous businesses that are not allocated to our current business segments. They include all or a portion of items such as share-based compensation, pension and postretirement costs, elimination of

intersegment profit in inventory and LIFO, foreign exchange transaction gains and losses, interest income and other as well as legacy obligations such as environmental remediation and workers compensation.

Estimates

Estimates

We prepare our financial statements according to U.S. generally accepted accounting principles (U.S. GAAP). This requires us to make estimates and assumptions during our reporting periods and at the date of our financial statements. The estimates and assumptions affect our:

• reported amounts of assets, liabilities and equity;

• disclosure of contingent assets and liabilities and

• reported amounts of revenues and expenses.

While we do our best in preparing these estimates, actual results can and do differ from those estimates and assumptions.

Fair Value Measurements

Fair Value Measurements

We use a fair value hierarchy in accounting for certain nonfinancial assets and liabilities including:

• long-lived assets (asset groups) measured at fair value for an impairment assessment;

• pension plan assets measured at fair value and

• asset retirement obligations initially measured at fair value.

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Foreign Currency Translation

Foreign Currency Translation

We translate foreign currencies into U.S. dollars in two ways:

• assets and liabilities — at the exchange rates in effect as of our balance sheet date and

• revenues and expenses — at average monthly exchange rates throughout the year.

Reclassifications

Reclassifications

We have reclassified certain balances and results from prior years to be consistent with our 2019 reporting. This makes year-to-year comparisons easier. Our reclassifications had no effect on consolidated net earnings or equity.

New Accounting Pronouncements

New Accounting Pronouncements

Lease Recognition

On January 1, 2019 we adopted FASB ASC Topic 842, Leases, which requires lessees to recognize assets and liabilities for the rights and obligations created by leases and requires leases to be recognized on the balance sheet. We adopted using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings.

With this adoption approach, financial information was not updated and disclosures required under the new standard were not provided for dates and periods before January 1, 2019. The adoption resulted in the recognition of additional right-of-use assets and lease liabilities for leases that each constitute less than 2 percent of total assets on our Consolidated Balance Sheet. These leases are primarily related to vehicles, equipment, office and warehouse locations as disclosed in Note 17: Leases.

Benefit Plans Disclosure

In August 2018, the FASB issued ASU 2018-14, which requires certain new disclosures, such as an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period, as well as removes the requirement to disclose certain previously required information. The new guidance is effective retrospectively for all periods presented for fiscal periods starting after December 15, 2020, and early adoption is permitted. We adopted this ASU on December 31, 2019 and have updated our disclosures accordingly. This pronouncement does not have an effect on our consolidated financial statements. Refer to Note 9: Pension and Other Postretirement Benefit Plans for information about our postretirement benefit plans.

Property and Equipment

Property and Equipment

We maintain property accounts on an individual asset basis and account for them as follows:

• Improvements to and replacements of major units of property are capitalized.

• Maintenance, repairs and minor replacements are expensed.

• Depreciation is calculated using a straight-line method at rates based on estimated service lives.

• Costs associated with logging roads that we intend to utilize for a period longer than one year are capitalized. These roads are then amortized over an estimated service life.

• Cost and accumulated depreciation of property sold or retired are removed from the accounts and the gain or loss is included in earnings.

Timber and Timberlands

Timber and Timberlands

We carry timber and timberlands at cost less depletion. Depletion refers to the carrying value of timber that is harvested, lost as a result of casualty or sold.

Key activities affecting how we account for timber and timberlands include:

• reforestation,

• depletion and

• forest management in Canada.

Reforestation. Generally, we capitalize initial site preparation and planting costs as reforestation and then expense costs after the first planting as they are incurred or over the period of expected benefit. These expensed costs include:

• fertilization,

• vegetation and insect control,

• pruning and precommercial thinning and

• property taxes.

Accounting practices for these costs do not change when timber becomes merchantable and harvesting starts.

Timber depletion. To determine depletion rates, we divide the net carrying value of timber by the related volume of timber estimated to be available over the growth cycle. To determine the growth cycle volume of timber, we consider:

• regulatory and environmental constraints,

• our management strategies,

• inventory data improvements,

• growth rate revisions and recalibrations and

• known dispositions and inoperable acres.

In addition, the duration of the harvest cycle varies by geographic region and species of timber.

Depletion rate calculations do not include estimates for:

• future silviculture or sustainable forest management costs associated with existing stands;

• future reforestation costs associated with a stand's final harvest and

• future volume in connection with the replanting of a stand subsequent to its final harvest.

We include the cost of timber harvested in the carrying values of raw materials and product inventories. As these inventories are sold to third parties, we include them in costs of sales.

Forest Management in Canada. We manage timberlands under long-term licenses in various Canadian provinces that are:

• granted by the provincial governments;

• granted for initial periods of 15 to 25 years and

• renewable provided we meet reforestation, operating and management guidelines.

Calculation of the fees we pay on the timber we harvest:

• varies from province to province,

• is tied to product market pricing and

• depends upon the allocation of land management responsibilities in the license.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets

We review the carrying value of long-lived assets whenever an event or a change in circumstance indicates that the carrying value of the asset or asset group may not be recoverable through future operations. The carrying value is the original cost, less accumulated depreciation and any past impairments recorded. Impaired assets held for use are written down to fair value. Impaired assets held for sale are written down to fair value less cost to sell. We determine fair value based on:

• appraisals,

• market pricing of comparable assets,

• discounted value of estimated future cash flows from the asset,

• replacement values of comparable assets and

• agreed upon sale price or offer price.

Financial Instruments

Financial Instruments

We estimate the fair value of financial instruments where appropriate. The assumptions we use — including the discount rate and estimates of cash flows — can significantly affect our fair-value amounts. Our fair values are estimates and may not match the amounts we would realize upon sale or settlement of our financial positions.

Cash and Cash Equivalents and Accounts Payable

Cash Equivalents

Cash equivalents are investments with maturities of 90 days or less at the date of purchase. We state cash equivalents at cost, which approximates market.

Accounts Payable

Our banking system replenishes our major bank accounts daily as checks we have issued are presented for payment. As a result, we may have negative book cash balances due to outstanding checks that have not yet been paid by the bank. These negative balances would be included in "Accounts payable" on our Consolidated Balance Sheet. Changes in these negative cash balances would be reported as financing activities on our Consolidated Statement of Cash Flows. We had no negative book cash balances as of December 31, 2019 or December 31, 2018.

Concentration of Risk

Concentration of Risk

We disclose customers that represent a concentration of risk. As of December 31, 2019, and December 31, 2018, no customer accounted for 10 percent or more of our net sales.

Revenue Recognition

Revenue Recognition

Refer to Note 3: Revenue Recognition for detail on how we account for revenue.

PERFORMANCE OBLIGATIONS

A performance obligation, as defined in ASC Topic 606, is a promise in a contract to transfer a distinct good or service to a customer. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue at the point in time, or over the period, in which the performance obligation is satisfied.

Performance obligations associated with delivered log sales are typically satisfied when the logs are delivered to our customers’ mills or delivered to an ocean vessel in the case of export sales. Performance obligations associated with the sale of wood products are typically satisfied when the products are shipped. We have elected, as an accounting policy, to treat shipping and handling that is performed after a customer obtains control of the product as an activity required to fulfill the promise to transfer the good; therefore we will not evaluate this requirement as a separate performance obligation.

Customers are generally invoiced shortly after logs are delivered or after wood products are shipped, with payment generally due within a month or less of the invoice date. ASC Topic 606 requires entities to consider significant financing components of contracts with customers, though allows for the use of a practical expedient when the period between satisfaction of a performance obligation and payment receipt is one year or less. Given the nature of our revenue transactions, we have elected to utilize this practical expedient.

Performance obligations associated with real estate sales are generally met when placed into escrow and all conditions of closing have been satisfied.

CONTRACT ESTIMATES

Substantially all of our performance obligations are satisfied as of a point in time. Therefore, there is little judgment in determining when control transfers for our business segments as described above.

The transaction price for log sales generally equals the amount billed to our customer for logs delivered during the accounting period. For the limited number of log sales subject to a long-term supply agreement, the transaction price is variable but is known at the time of billing. For wood products sales, the transaction price is generally the amount billed to the customer for the products shipped but may be reduced slightly for estimated cash discounts and rebates.

There are no significant contract estimates related to the real estate business.

CONTRACT BALANCES

In general, customers are billed and a receivable is recorded as we ship and/or deliver wood products and logs. We generally receive payment shortly after products have been received by our customers. Contract asset and liability balances are immaterial.

For real estate sales, the company receives the entire consideration in cash at closing.

Inventories

Inventories

We state inventories at the lower of cost or net realizable value. Cost includes labor, materials and production overhead. LIFO — the last-in, first-out method — applies to major inventory products held at our U.S. domestic locations. We began to use the LIFO method for domestic products in the 1940s as required to conform with the tax method elected. Subsequent acquisitions of entities added new products under the FIFO — the first-in, first-out method — or moving average cost methods that have continued under those methods. The FIFO or moving average cost method applies to the balance of our domestic raw material and product inventories as well as for all material and supply inventories and all foreign inventories.

Shipping and Handling Costs

Shipping and Handling Costs

We classify shipping and handling costs in "Costs of sales" on our Consolidated Statement of Operations.

Income Taxes

Income Taxes

We account for income taxes under the asset and liability method. Unrecognized tax benefits represent potential future funding obligations to taxing authorities if uncertain tax positions we have taken on previously filed tax returns are not sustained. Accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense.

We recognize deferred tax assets and liabilities to reflect:

• future tax consequences due to differences between the carrying amounts for financial reporting purposes and the tax bases of certain items and

• net operating loss and tax credit carryforwards.

To measure deferred tax assets and liabilities, we:

• determine when the differences between the carrying amounts and tax bases of affected items are expected to be recovered or resolved and

• use enacted tax rates expected to apply to taxable income in those years.

Pension and Other Postretirement Benefit Plans

Pension and Other Postretirement Benefit Plans

We recognize the overfunded or underfunded status of our defined benefit pension and other postretirement plans on our Consolidated Balance Sheet and recognize changes in the funded status through comprehensive income (loss) in the year in which the changes occur.

Actuarial valuations determine the amount of the pension and other postretirement benefit obligations and the net periodic benefit cost we recognize. The net periodic benefit cost includes:

• cost of benefits provided in exchange for employees’ services rendered during the year;

• interest cost of the obligations;

• expected long-term return on plan assets;

• gains or losses on plan settlements and curtailments;

• amortization of prior service costs and plan amendments over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants affected by the plan amendment are inactive and

• amortization of cumulative unrecognized net actuarial gains and losses — generally in excess of 10 percent of the greater of the benefit obligation or the combination of market-related and fair value of plan assets at the beginning of the year — over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants are inactive.

Pension plans. We have defined benefit pension plans covering approximately half of our employees. Determination of benefits differs for salaried, hourly and union employees as follows:

• Salaried employee benefits are based on each employee’s highest monthly earnings for five consecutive years during the final 10 years before retirement.

• Hourly and union employee benefits generally are stated amounts for each year of service.

• Union employee benefits are set through collective-bargaining agreements.

We contribute to our U.S. and Canadian pension plans according to established funding standards. The funding standards for the plans are:

• U.S. pension plans — according to the Employee Retirement Income Security Act of 1974 and

• Canadian pension plans — according to the applicable provincial pension act and the Income Tax Act.

Postretirement benefits other than pensions. We provide certain postretirement health care and life insurance benefits for some retired employees. In some cases, we pay a portion of the cost of the benefit. Note 9: Pension and Other Postretirement Benefit Plans provides additional information about our postretirement benefit plans.

Environmental Remediation

Environmental Remediation

We accrue losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Future expenditures for environmental remediation obligations are not discounted to their present value. Recoveries of environmental remediation costs from other parties are recorded as assets when the recovery is deemed probable and does not exceed the amount of losses previously recorded.

Earnings Per Share

Basic earnings (loss) per share is net earnings (loss) available to common shareholders divided by the weighted average number of our outstanding common shares, including stock equivalent units where there is no circumstance under which those shares would not be issued.

Diluted earnings (loss) per share is net earnings (loss) available to common shareholders divided by the sum of the:

• weighted average number of our outstanding common shares and

• the effect of our outstanding dilutive potential common shares.

Dilutive potential common shares may include:

• outstanding stock options,

• restricted stock units and

• performance share units.

We use the treasury stock method to calculate the dilutive effect of our outstanding stock options, restricted stock units and performance share units. Share-based payment awards that are contingently issuable upon the achievement of specified performance or market conditions are included in our diluted earnings per share calculation in the period in which the conditions are satisfied.

Stock Repurchase Programs Policy

All common stock repurchases under the 2016 and 2019 Repurchase Programs were made in open-market transactions.

We record share repurchases upon trade date as opposed to the settlement date when cash is disbursed. We record a liability to account for repurchases that have not been cash settled.

Share-based Compensation

HOW WE ACCOUNT FOR SHARE-BASED AWARDS

When accounting for share-based awards we:

• use a fair-value-based measurement and

• recognize the cost of share-based awards on our consolidated financial statements.

We recognize the cost of share-based awards on our Consolidated Statement of Operations over the required service period — generally the period from the date of the grant to the date when it is fully vested. Special situations include:

• Awards that vest upon retirement — the required service period ends on the date an employee is eligible for retirement, including early retirement.

• Awards that continue to vest following job elimination or the sale of a business — the required service period ends on the date the employment from the company is terminated.

In these special situations, compensation expense from share-based awards is recognized over a period that is shorter than the stated vesting period.

XML

GEOGRAPHIC AREAS - Sales by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,548	$ 1,671	$ 1,692	$ 1,643	$ 1,636	$ 1,910	$ 2,065	$ 1,865	$ 6,554	$ 7,476	$ 7,196
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									5,674	6,365	6,168
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									440	519	472
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									305	410	352
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									90	120	107
Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									45	62	97
Export sales from the U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									479	604	545
Export sales from the U.S. | U.S. | Japanese Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									265	338	295
Export sales from the U.S. | U.S. | Chinese Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									85	113	102
Export sales from the U.S. | U.S. | Other Countries Customers
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 129	$ 153	$ 148

XML

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Our significant accounting policies describe:

• our election to be taxed as a real estate investment trust,

• how we report our results,

• changes in how we report our results and

• how we account for various items.

OUR ELECTION TO BE TAXED AS A REAL ESTATE INVESTMENT TRUST (REIT)

Starting with our 2010 fiscal year, we elected to be taxed as a REIT. REIT income can be distributed to shareholders without first paying corporate level tax, substantially eliminating the double taxation on income. We expect to derive most of our REIT income from investments in timberlands, including the sale of standing timber through pay-as-cut sales contracts and lump sum timber deeds.

We have not been subject to REIT built-in gains tax since December 31, 2014. We continue to be required to pay federal corporate income taxes on earnings of our Taxable REIT Subsidiaries (TRSs), which include our Wood Products segment and portions of our Timberlands and Real Estate, Energy and Natural Resources (Real Estate & ENR) segments.

HOW WE REPORT OUR RESULTS

Our report includes:

• consolidated financial statements,

• our business segments,

• estimates,

• fair value measurements and

• foreign currency translation.

Consolidated Financial Statements

Our consolidated financial statements provide an overall view of our results and financial condition. They include our accounts and the accounts of entities that we control, including:

• majority-owned domestic and foreign subsidiaries and

• variable interest entities in which we are the primary beneficiary.

They do not include our intercompany transactions and accounts, which are eliminated.

Throughout these Notes to Consolidated Financial Statements, unless specified otherwise, references to “Weyerhaeuser,” "the company," “we” and “our” refer to the consolidated company.

Our Business Segments

Reportable business segments are determined based on the company’s "management approach," as defined by Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 280, Segment Reporting. The management approach is based on the way the chief operating decision maker organizes the segments within a company for making decisions about resources to be allocated and assessing their performance.

We are principally engaged in:

• growing and harvesting timber;

• manufacturing, distributing and selling products made from trees;

• maximizing the value of every acre we own through the sale of higher and better use (HBU) properties and

• monetizing the value of surface and subsurface assets through leases and royalties.

Our business segments are organized based primarily on products and services.

SEGMENT	PRODUCTS AND SERVICES
Timberlands	Logs, timber, recreational leases and other products
Real Estate & ENR	Real Estate (sales of timberlands) and ENR (rights to explore for and extract hard minerals, construction materials, oil and gas production, wind and solar)
Wood Products	Structural lumber, oriented strand board, engineered wood products and building materials distribution

We also transfer raw materials, semi-finished materials and end products among our business segments. Because of this intracompany activity, accounting for our business segments involves pricing products transferred between our business segments at current market values.

Unallocated Items are gains or charges related to company level initiatives or previous businesses that are not allocated to our current business segments. They include all or a portion of items such as share-based compensation, pension and postretirement costs, elimination of

intersegment profit in inventory and LIFO, foreign exchange transaction gains and losses, interest income and other as well as legacy obligations such as environmental remediation and workers compensation.

Estimates

We prepare our financial statements according to U.S. generally accepted accounting principles (U.S. GAAP). This requires us to make estimates and assumptions during our reporting periods and at the date of our financial statements. The estimates and assumptions affect our:

• reported amounts of assets, liabilities and equity;

• disclosure of contingent assets and liabilities and

• reported amounts of revenues and expenses.

While we do our best in preparing these estimates, actual results can and do differ from those estimates and assumptions.

Fair Value Measurements

We use a fair value hierarchy in accounting for certain nonfinancial assets and liabilities including:

• long-lived assets (asset groups) measured at fair value for an impairment assessment;

• pension plan assets measured at fair value and

• asset retirement obligations initially measured at fair value.

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Foreign Currency Translation

We translate foreign currencies into U.S. dollars in two ways:

• assets and liabilities — at the exchange rates in effect as of our balance sheet date and

• revenues and expenses — at average monthly exchange rates throughout the year.

CHANGES IN HOW WE REPORT OUR RESULTS

Changes in how we report our results come from:

• reclassification of certain balances and results from prior years to make them consistent with our current reporting and

• accounting changes made upon our adoption of new accounting guidance.

Reclassifications

We have reclassified certain balances and results from prior years to be consistent with our 2019 reporting. This makes year-to-year comparisons easier. Our reclassifications had no effect on consolidated net earnings or equity.

New Accounting Pronouncements

Lease Recognition

On January 1, 2019 we adopted FASB ASC Topic 842, Leases, which requires lessees to recognize assets and liabilities for the rights and obligations created by leases and requires leases to be recognized on the balance sheet. We adopted using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings.

With this adoption approach, financial information was not updated and disclosures required under the new standard were not provided for dates and periods before January 1, 2019. The adoption resulted in the recognition of additional right-of-use assets and lease liabilities for leases that each constitute less than 2 percent of total assets on our Consolidated Balance Sheet. These leases are primarily related to vehicles, equipment, office and warehouse locations as disclosed in Note 17: Leases.

Benefit Plans Disclosure

In August 2018, the FASB issued ASU 2018-14, which requires certain new disclosures, such as an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period, as well as removes the requirement to disclose certain previously required information. The new guidance is effective retrospectively for all periods presented for fiscal periods starting after December 15, 2020, and early adoption is permitted. We adopted this ASU on December 31, 2019 and have updated our disclosures accordingly. This pronouncement does not have an effect on our consolidated financial statements. Refer to Note 9: Pension and Other Postretirement Benefit Plans for information about our postretirement benefit plans.

HOW WE ACCOUNT FOR VARIOUS ITEMS

This section provides information about how we account for certain key items related to:

• capital investments,

• financing our business and

• operations.

ITEMS RELATED TO CAPITAL INVESTMENTS

Key items related to accounting for capital investments pertain to property and equipment, timber and timberlands and impairment of long-lived assets.

Property and Equipment

We maintain property accounts on an individual asset basis and account for them as follows:

• Improvements to and replacements of major units of property are capitalized.

• Maintenance, repairs and minor replacements are expensed.

• Depreciation is calculated using a straight-line method at rates based on estimated service lives.

• Costs associated with logging roads that we intend to utilize for a period longer than one year are capitalized. These roads are then amortized over an estimated service life.

• Cost and accumulated depreciation of property sold or retired are removed from the accounts and the gain or loss is included in earnings.

Timber and Timberlands

We carry timber and timberlands at cost less depletion. Depletion refers to the carrying value of timber that is harvested, lost as a result of casualty or sold.

Key activities affecting how we account for timber and timberlands include:

• reforestation,

• depletion and

• forest management in Canada.

Reforestation. Generally, we capitalize initial site preparation and planting costs as reforestation and then expense costs after the first planting as they are incurred or over the period of expected benefit. These expensed costs include:

• fertilization,

• vegetation and insect control,

• pruning and precommercial thinning and

• property taxes.

Accounting practices for these costs do not change when timber becomes merchantable and harvesting starts.

Timber depletion. To determine depletion rates, we divide the net carrying value of timber by the related volume of timber estimated to be available over the growth cycle. To determine the growth cycle volume of timber, we consider:

• regulatory and environmental constraints,

• our management strategies,

• inventory data improvements,

• growth rate revisions and recalibrations and

• known dispositions and inoperable acres.

In addition, the duration of the harvest cycle varies by geographic region and species of timber.

Depletion rate calculations do not include estimates for:

• future silviculture or sustainable forest management costs associated with existing stands;

• future reforestation costs associated with a stand's final harvest and

• future volume in connection with the replanting of a stand subsequent to its final harvest.

We include the cost of timber harvested in the carrying values of raw materials and product inventories. As these inventories are sold to third parties, we include them in costs of sales.

Forest Management in Canada. We manage timberlands under long-term licenses in various Canadian provinces that are:

• granted by the provincial governments;

• granted for initial periods of 15 to 25 years and

• renewable provided we meet reforestation, operating and management guidelines.

Calculation of the fees we pay on the timber we harvest:

• varies from province to province,

• is tied to product market pricing and

• depends upon the allocation of land management responsibilities in the license.

Impairment of Long-Lived Assets

We review the carrying value of long-lived assets whenever an event or a change in circumstance indicates that the carrying value of the asset or asset group may not be recoverable through future operations. The carrying value is the original cost, less accumulated depreciation and any past impairments recorded. Impaired assets held for use are written down to fair value. Impaired assets held for sale are written down to fair value less cost to sell. We determine fair value based on:

• appraisals,

• market pricing of comparable assets,

• discounted value of estimated future cash flows from the asset,

• replacement values of comparable assets and

• agreed upon sale price or offer price.

ITEMS RELATED TO FINANCING OUR BUSINESS

Key items related to financing our business include financial instruments, cash and cash equivalents, accounts payable and concentration of risk.

Financial Instruments

We estimate the fair value of financial instruments where appropriate. The assumptions we use — including the discount rate and estimates of cash flows — can significantly affect our fair-value amounts. Our fair values are estimates and may not match the amounts we would realize upon sale or settlement of our financial positions.

Cash Equivalents

Cash equivalents are investments with maturities of 90 days or less at the date of purchase. We state cash equivalents at cost, which approximates market.

Accounts Payable

Our banking system replenishes our major bank accounts daily as checks we have issued are presented for payment. As a result, we may have negative book cash balances due to outstanding checks that have not yet been paid by the bank. These negative balances would be included in "Accounts payable" on our Consolidated Balance Sheet. Changes in these negative cash balances would be reported as financing activities on our Consolidated Statement of Cash Flows. We had no negative book cash balances as of December 31, 2019 or December 31, 2018.

Concentration of Risk

We disclose customers that represent a concentration of risk. As of December 31, 2019, and December 31, 2018, no customer accounted for 10 percent or more of our net sales.

ITEMS RELATED TO OPERATIONS

Key items related to operations include revenue recognition, inventories, shipping and handling costs, income taxes, pension and other postretirement benefit plans and environmental remediation.

Revenue Recognition

Refer to Note 3: Revenue Recognition for detail on how we account for revenue.

Inventories

We state inventories at the lower of cost or net realizable value. Cost includes labor, materials and production overhead. LIFO — the last-in, first-out method — applies to major inventory products held at our U.S. domestic locations. We began to use the LIFO method for domestic products in the 1940s as required to conform with the tax method elected. Subsequent acquisitions of entities added new products under the FIFO — the first-in, first-out method — or moving average cost methods that have continued under those methods. The FIFO or moving average cost method applies to the balance of our domestic raw material and product inventories as well as for all material and supply inventories and all foreign inventories.

Shipping and Handling Costs

We classify shipping and handling costs in "Costs of sales" on our Consolidated Statement of Operations.

Income Taxes

We account for income taxes under the asset and liability method. Unrecognized tax benefits represent potential future funding obligations to taxing authorities if uncertain tax positions we have taken on previously filed tax returns are not sustained. Accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense.

We recognize deferred tax assets and liabilities to reflect:

• future tax consequences due to differences between the carrying amounts for financial reporting purposes and the tax bases of certain items and

• net operating loss and tax credit carryforwards.

To measure deferred tax assets and liabilities, we:

• determine when the differences between the carrying amounts and tax bases of affected items are expected to be recovered or resolved and

• use enacted tax rates expected to apply to taxable income in those years.

Pension and Other Postretirement Benefit Plans

We recognize the overfunded or underfunded status of our defined benefit pension and other postretirement plans on our Consolidated Balance Sheet and recognize changes in the funded status through comprehensive income (loss) in the year in which the changes occur.

Actuarial valuations determine the amount of the pension and other postretirement benefit obligations and the net periodic benefit cost we recognize. The net periodic benefit cost includes:

• cost of benefits provided in exchange for employees’ services rendered during the year;

• interest cost of the obligations;

• expected long-term return on plan assets;

• gains or losses on plan settlements and curtailments;

• amortization of prior service costs and plan amendments over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants affected by the plan amendment are inactive and

• amortization of cumulative unrecognized net actuarial gains and losses — generally in excess of 10 percent of the greater of the benefit obligation or the combination of market-related and fair value of plan assets at the beginning of the year — over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants are inactive.

Pension plans. We have defined benefit pension plans covering approximately half of our employees. Determination of benefits differs for salaried, hourly and union employees as follows:

• Salaried employee benefits are based on each employee’s highest monthly earnings for five consecutive years during the final 10 years before retirement.

• Hourly and union employee benefits generally are stated amounts for each year of service.

• Union employee benefits are set through collective-bargaining agreements.

We contribute to our U.S. and Canadian pension plans according to established funding standards. The funding standards for the plans are:

• U.S. pension plans — according to the Employee Retirement Income Security Act of 1974 and

• Canadian pension plans — according to the applicable provincial pension act and the Income Tax Act.

Postretirement benefits other than pensions. We provide certain postretirement health care and life insurance benefits for some retired employees. In some cases, we pay a portion of the cost of the benefit. Note 9: Pension and Other Postretirement Benefit Plans provides additional information about our postretirement benefit plans.

Environmental Remediation

We accrue losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Future expenditures for environmental remediation obligations are not discounted to their present value. Recoveries of environmental remediation costs from other parties are recorded as assets when the recovery is deemed probable and does not exceed the amount of losses previously recorded.

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NET EARNINGS (LOSS) PER SHARE

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

NET EARNINGS (LOSS) PER SHARE

NOTE 5: NET EARNINGS (LOSS) PER SHARE

Our basic and diluted earnings (loss) per share for the last three years were:

• $(0.10) in 2019,

• $0.99 in 2018 and

• $0.77 in 2017.

HOW WE CALCULATE BASIC AND DILUTED NET EARNINGS (LOSS) PER SHARE

Basic earnings (loss) per share is net earnings (loss) available to common shareholders divided by the weighted average number of our outstanding common shares, including stock equivalent units where there is no circumstance under which those shares would not be issued.

Diluted earnings (loss) per share is net earnings (loss) available to common shareholders divided by the sum of the:

• weighted average number of our outstanding common shares and

• the effect of our outstanding dilutive potential common shares.

Dilutive potential common shares may include:

• outstanding stock options,

• restricted stock units and

• performance share units.

Calculation of Weighted Average Number of Outstanding Common Shares – Dilutive

SHARES IN THOUSANDS
	2019		2018		2017
Weighted average number of outstanding shares - basic		745,897		754,556		753,085
Dilutive potential common shares:
Stock options		—		1,310		2,571
Restricted stock units		—		566		582
Performance share units		—		395		428
Total effect of outstanding dilutive potential common shares		—		2,271		3,581
Weighted average number of outstanding common shares - dilutive		745,897		756,827		756,666

We use the treasury stock method to calculate the dilutive effect of our outstanding stock options, restricted stock units and performance share units. Share-based payment awards that are contingently issuable upon the achievement of specified performance or market conditions are included in our diluted earnings per share calculation in the period in which the conditions are satisfied.

SHARES EXCLUDED FROM DILUTIVE EFFECT

The following shares were not included in the computation of diluted earnings (loss) per share because they were either antidilutive or the required performance or market conditions were not met. Some or all of these shares may be dilutive potential common shares in future periods.

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

SHARES IN THOUSANDS
	2019		2018		2017
Stock options		2,631		2,402		1,351
Restricted stock units		477		—		—
Performance share units		1,131		1,080		799

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

12 Months Ended

Dec. 31, 2019

Pension And Other Postretirement Benefit Expense [Abstract]

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

NOTE 9: PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

This note provides details about defined benefit and defined contribution plans we sponsor for our employees. The "Pension and Other Postretirement Benefit Plans" section of Note 1: Summary of Significant Accounting Policies provides information about employee eligibility for pension plans and postretirement health care and life insurance benefits, as well as how we account for the plans and benefits.

DEFINED BENEFIT PLANS WE SPONSOR

OVERVIEW OF PLANS

The defined benefit pension plans we sponsor in the U.S. and Canada differ according to each country’s requirements. In the U.S., we have plans that qualify under the Internal Revenue Code (qualified plans), as well as plans for select employees that provide additional benefits not qualified under the Internal Revenue Code (nonqualified plans). In Canada, we have plans that are registered under the Income Tax Act and applicable provincial pension acts (registered plans), as well as nonregistered plans for select employees that provide additional benefits that may not be registered under the Income Tax Act or provincial pension acts (nonregistered plans). We also offer other postretirement benefit plans in the U.S. and Canada, including retiree medical and life insurance plans.

Actions to Reduce Pension Plan Obligations

As a part of our continued efforts to reduce pension plan obligations, we transferred approximately $1.5 billion of U.S. qualified pension plan assets and liabilities to an insurance company through the purchase of a group annuity contract in January 2019 (2019 Retiree Annuity Purchase). In connection with this transaction, we recorded a preliminary noncash pretax settlement charge of $455 million during first quarter 2019, accelerating the recognition of previously unrecognized losses in “Accumulated other comprehensive loss”, that would have been recognized in subsequent periods. In second quarter 2019, we finalized the prior year-end fair value of pension plan assets and obligations, which reduced the settlement charge by $6 million for a final settlement charge of $449 million.

This settlement triggered a remeasurement of plan assets and liabilities. We updated the discount rate used to measure our projected benefit obligation for the U.S. qualified pension plan as of January 31, 2019, as well as our discount rate used to calculate the related net periodic benefit cost for the remainder of 2019 to 4.30 percent from 4.40 percent. All other assumptions remained unchanged. The net effect of the remeasurement was a $24 million reduction in funded status, primarily driven by the decrease in discount rate. This change in funded status was reflected in our first quarter 2019 Consolidated Balance Sheet.

Additionally, we settled the assets and liabilities associated with three Canadian registered pension plans through the purchase of a group annuity contract in October 2019. As a result of the transaction, we recorded a noncash pretax settlement charge of $6 million.

During 2018, we offered select U.S. terminated vested plan participants the opportunity to elect an immediate lump sum distribution. Lump sum distributions were paid from plan assets totaling $664 million during fourth quarter 2018. We recorded a settlement charge of $200 million during fourth quarter 2018 related to this transaction. The settlement triggered a plan remeasurement, however due to the short period between the settlement and our normal year-end remeasurement, the effect on net periodic benefit cost was insignificant.

To maintain the U.S. qualified pension plan's funded status in connection with these transactions, we contributed $300 million to the plan during third quarter 2018. Refer to Note 21: Income Taxes for details on the tax effects of this transaction.

FUNDED STATUS OF PLANS

The funded status of the plans we sponsor is determined by comparing the projected benefit obligation with the fair value of plan assets at the end of the year. The following table demonstrates how our plans' funded status is reflected on the Consolidated Balance Sheet.

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Funded status:
Fair value of plan assets(1)	$	3,719		$	4,930		$	19		$	18
Projected benefit obligations		(4,260	)		(5,263	)		(151	)		(166	)
Funded status		(541	)		(333	)		(132	)		(148	)
Presentation on our Consolidated Balance Sheet:
Noncurrent assets	$	47		$	74		$	—		$	—
Current liabilities		(19	)		(18	)		(8	)		(10	)
Noncurrent liabilities		(569	)		(389	)		(124	)		(138	)
Funded status	$	(541	)	$	(333	)	$	(132	)	$	(148	)

(1) Fair value of plan assets as of December 31, 2018 includes amounts associated with the $300 million voluntary contribution made during 2018 in anticipation of our 2018 term-vested lump sum and 2019 retiree annuity purchase transactions. Refer to the “Actions to Reduce Pension Plan Obligations” section for further details of this contribution and the related transactions.

Assets and liabilities on the Consolidated Balance Sheet are different from the cumulative income or expense that we have recorded associated with the plans. The differences are actuarial gains and losses and prior service costs and credits that are deferred and amortized into periodic benefit costs in future periods. Unamortized amounts are recorded in "Accumulated Other Comprehensive Loss", which is a component of total equity on our Consolidated Balance Sheet. The "Accumulated Other Comprehensive Loss" section of Note 15: Shareholders’ Interest details changes in these amounts by component.

Changes in Fair Value of Plan Assets

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Fair value of plan assets at beginning of year (estimated)	$	4,930		$	5,514		$	18		$	—
Adjustment for final fair value of plan assets		16			44			—			—
Actual return on plan assets		449			123			1			—
Foreign currency translation		38			(73	)		—			—
Employer contributions and benefit payments		30			345			15			36
Plan participants’ contributions		—			—			2			4
Plan transfers		1			1			—			—
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Fair value of plan assets at end of year (estimated)	$	3,719		$	4,930		$	19		$	18

We estimate the fair value of pension plan assets based on the information available during the year-end reporting process. In some cases, primarily with regard to private equity funds, the available information consists of net asset values as of an interim date, plus cash flows and market events between the interim date and the end of the year. We update the year-end estimated fair value of pension plan assets during the first half of the next year to incorporate year-end net asset values received after we have filed our Annual Report on Form 10-K.

During second quarter 2019, we recorded an increase in the beginning of year fair value of the pension assets of $16 million, or less than 1 percent. We also updated our census data that is used to estimate our beginning of year projected obligation for our pension plans, which resulted in a projected benefit obligation decrease of $6 million, or less than 1 percent. The net effect of these updates was a $22 million improvement in funded status as of December 31, 2018. This change in funded status was reflected in our second quarter 2019 Consolidated Balance Sheet.

See additional details about the changes in the fair value of plan assets in the "Pension Assets" section below.

Changes in Projected Benefit Obligations of Our Pension and Other Postretirement Benefit Plans

DOLLAR AMOUNTS IN MILLIONS
	PENSION						OTHER POSTRETIREMENT BENEFITS
	2019			2018			2019			2018
Projected benefit obligation beginning of year	$	5,263		$	6,795		$	166		$	200
Service cost		32			37			—			—
Interest cost		160			236			6			7
Plan participants’ contributions		—			—			2			4
Actuarial (gains) losses		510			(718	)		(8	)		(18	)
Foreign currency translation		39			(69	)		2			(5	)
Benefits paid (includes lump sum and annuity transfers)		(1,745	)		(1,024	)		(17	)		(22	)
Plan amendments and other		—			5			—			—
Plan transfers		1			1			—			—
Projected benefit obligation at end of year	$	4,260		$	5,263		$	151		$	166

Generally, the largest changes in our “Actuarial (gains) losses” line within the table above are due to changes in discount rates year over year. See additional details about the actuarial assumptions and changes in the projected benefit obligation in the "Actuarial Assumptions" section below.

Projected Benefit Obligations Greater Than Plan Assets

As of December 31, 2019, pension plans with projected benefit obligations greater than plan assets had:

• $3.4 billion in projected benefit obligations and

• assets with a fair value of $2.8 billion.

As of December 31, 2018, pension plans with projected benefit obligations greater than plan assets had:

• $4.5 billion in projected benefit obligations and

• assets with a fair value of $4.1 billion.

Accumulated Benefit Obligations Greater Than Plan Assets

As of December 31, 2019, pension plans with accumulated benefit obligations greater than plan assets had:

• $3.3 billion in accumulated benefit obligations and

• assets with a fair value of $2.8 billion.

As of December 31, 2018, pension plans with accumulated benefit obligations greater than plan assets had:

• $4.4 billion in accumulated benefit obligations and

• assets with a fair value of $4.1 billion.

The accumulated benefit obligation for all of our defined benefit pension plans was:

• $4.2 billion at December 31, 2019 and

• $5.2 billion at December 31, 2018.

PENSION ASSETS

Our Investment Policies and Strategies

Our investment policies and strategies guide and direct how the funds are managed for the benefit plans we sponsor. These funds include our:

• U.S. Pension Trust — funds our U.S. qualified pension plans;

• Canadian Pension Trust — funds our Canadian registered pension plans and

• Retirement Compensation Arrangements — fund a portion of our Canadian nonregistered pension plans.

U.S. and Canadian Pension Trusts

At the end of 2018, we began to shift pension plan assets to an allocation that will more closely match the pension plan liability profile going forward. The former investment strategy included investments in hedge funds, private equity funds, derivative instruments and other investments. These asset classes are now generally in redemption and run-off mode however, given the long-term nature of these investments, they will continue to comprise a material portion of the plan assets for several years. We expect all investments in redemption to be redeemed at amounts materially consistent with their net asset values. As these investments are redeemed or liquidated, cash proceeds available for investment will be invested in accordance with our revised investment strategy.

The revised investment strategy targets a percentage allocation to growth assets and a percentage allocation to liability hedging assets based on each plan’s funded status. We expect to increase the allocation to liability hedging assets over time as the funded status of the pension plan improves. As of December 31, 2019, we reached a 50 percent allocation to growth assets and a 50 percent allocation to liability hedging assets in the U.S. qualified plan. Growth assets include investments in global equities, hedge funds, which are generally in redemption, and private equity assets, which are generally in run-off mode. Liability hedging assets include corporate credit and government issued fixed income securities and treasury futures selected to align with the plan liabilities.

Cash and short-term investments include highly liquid money market and government securities and are primarily held to fund benefit payments, capital calls, margin requirements or to meet regulatory requirements. Cash at December 31, 2019, includes amounts that will be invested in liability hedging assets such as fixed income investments.

Fixed income investments include publicly traded corporate and government issued debt. These bonds have varying maturities, credit quality and sector exposure and are selected to align with the duration of our plan liabilities. Additionally, our fixed income portfolio includes repurchase agreements, which represent short-term borrowings to hedge against interest rate risk. We have an obligation to return the cash related to these borrowings in accordance with the agreements, which are collateralized by our government bonds. Due to the nature of these agreements, the outstanding balance of the borrowing approximates fair value.

Public equity investments consist of investments in several publicly traded companies as well as exchange traded funds.

Hedge fund and related investments are privately-offered managed pools primarily structured as limited liability entities. General members or partners of these limited liability entities serve as portfolio managers and are thus responsible for the fund’s underlying investment decisions. Underlying investments within these funds may include long and short public and private equities, corporate, mortgage and sovereign debt, options, swaps, forwards and other derivative positions. These funds have varying degrees of leverage, liquidity and redemption provisions.

Private equity and related investments are investments in private equity, mezzanine, distressed, co-investments and other structures. Private equity funds generally participate in buyouts and venture capital of limited liability entities through unlisted equity and debt instruments. These funds may also borrow at the underlying entity level. Mezzanine and distressed funds generally invest in the debt of public or private companies with additional participation through warrants or other equity options.

Derivative instruments have historically been comprised of swaps, futures, forwards or options. Consistent with our shift in asset strategy, our positions in derivative instruments have been significantly reduced. At December 31, 2019, only a small amount of futures remain in our portfolio.

Assets within our qualified and registered pension plans in our U.S. and Canadian pension trusts were invested as follows:

	DECEMBER 31, 2019			DECEMBER 31, 2018
Cash and short-term investments	3.2%			5.8%
Fixed income investments:
Corporate		33.9			21.5
Government		25.4			8.6
Repurchase agreements		(4.7	)		—
Public equity investments		0.1			—
Hedge funds and related investments		14.3			36.9
Private equity and related investments		27.7			21.9
Derivative instruments, net		0.3			5.6
Accrued liabilities		(0.2	)		(0.3	)
Total	100.0%			100.0%

Retirement Compensation Arrangements

Retirement compensation arrangements fund a portion of our Canadian nonregistered pension plans. As required by Canadian tax rules, approximately 50 percent of these assets are invested into a noninterest-bearing refundable tax account held by the Canada Revenue Agency. This portion of the portfolio does not earn returns. The remaining portion is invested in a portfolio of equities.

Managing Risk

Investments and contracts are subject to risks including market price, interest rate, credit, currency and liquidity risks. The following provides an overview of these risks and describes governance processes and actions we take to mitigate these risks on our pension plan asset portfolios.

Market price risk is the risk that market fluctuations will adversely affect the value of plan assets. The trusts mitigate market price risk by investing in a diversified portfolio. In addition, we and our investment advisers perform regular monitoring with ongoing qualitative assessments, quantitative assessments, and comprehensive investment and operational due diligence.

Interest rate risk exists with respect to both assets and liabilities and is the risk that a change in interest rates will adversely affect the fair value of interest rate securities or liabilities, thereby affecting the overall funded status. With the change in investment strategy to more closely match the plan liabilities, interest rate risk will be reduced.

Credit risk is the risk that counterparties’ failure to discharge their obligations could affect cash flows. The trusts have exposure primarily through investments in fixed income securities. This risk is mitigated by investing in a diversified portfolio.

We are also exposed to credit risk indirectly through counterparty relationships initiated by underlying managers of investments in limited liability pools. This risk is mitigated through initial due diligence and ongoing monitoring processes.

Currency risk arises from holding plan assets denominated in a currency other than the currency in which its liabilities are settled. With the change in investment strategy, currency risk will be mitigated going forward by investing more of the Canadian plan assets in Canadian dollar fixed income investments.

Liquidity risk is the risk that the trust will not be able to settle liabilities such as payments to participants, counterparties, and service providers. Private equity and hedge fund investments generally have less liquidity than publicly traded investments. With the change in investment strategy and a larger percentage of the plan assets invested in more liquid instruments such as publicly traded fixed income investments, liquidity risk is greatly reduced.

Valuation of Our Plan Assets

Pension assets are stated at fair value or net asset value (NAV) as of the reporting date. Fair value is based on the amount that would be received to sell an asset or paid to settle a liability in an orderly transaction between market participants at the reporting date. We do not consider forced or distressed sale scenarios. Instead, we consider both observable and unobservable inputs that reflect assumptions applied by market participants when setting the exit price of an asset or liability in an orderly transaction within the principal market for that asset or liability.

We value the pension plan assets based upon the observability of exit pricing inputs and classify pension plan assets based upon the lowest level input that is significant to the fair value measurement of the pension plan assets in their entirety. The fair value hierarchy is:

• Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.

• Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.

• Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Investments for which fair value is measured using the NAV per share as a practical expedient are not categorized within the fair value hierarchy.

Cash and short-term investments are valued at cost, which approximates market.

Fixed income and public equity investments are valued at exit prices quoted in active or non-active markets or based on observable inputs.

Hedge funds, private equities, and related fund units are valued based on the NAVs of the funds. These values represent the per-unit price at which new investors are permitted to invest and existing investors are permitted to exit. When NAVs as of the end of the year have not been received, we estimate fair value by adjusting the most recently reported NAVs for market events and cash flows between the interim date and the end of the year.

Derivative instruments are valued based upon valuation statements received from each derivative’s counterparty.

The net pension plan assets, when categorized in accordance with this fair value hierarchy, are as follows. Investments valued using NAV as a practical expedient are presented to reconcile with total plan assets.

DOLLAR AMOUNTS IN MILLIONS
2019	LEVEL 1		LEVEL 2			LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	120	$	—		$	—	$	—	$	120
Fixed income investments:
Corporate		—		1,260			—		—		1,260
Government		—		941			—		—		941
Repurchase agreements		—		(176	)		—		—		(176	)
Public equity investments		4		—			—		—		4
Hedge fund and related investments		—		—			13		518		531
Private equity and related investments		—		—			86		942		1,028
Derivative instruments		—		10			—		—		10
Total pension trust investments		124		2,035			99		1,460		3,718
Accrued liabilities, net											(9	)
Pension trust net assets											3,709
Canadian nonregistered plan assets:
Cash and short-term investments		5		—			—		—		5
Public equity investments		5		—			—		—		5
Total Canadian nonregistered plan assets		10		—			—		—		10
Total plan assets										$	3,719

DOLLAR AMOUNTS IN MILLIONS
2018	LEVEL 1		LEVEL 2		LEVEL 3		NAV		TOTAL
Pension trust investments:
Cash and short-term investments	$	275	$	12	$	—	$	—	$	287
Fixed income investments:
Corporate		—		1,054		—		—		1,054
Government		—		426		—		—		426
Hedge fund and related investments		—		—		3		1,811		1,814
Private equity and related investments		—		—		65		1,014		1,079
Derivative instruments		—		15		262		—		277
Total pension trust investments		275		1,507		330		2,825		4,937
Accrued liabilities, net										(17	)
Pension trust net assets										4,920
Canadian nonregistered plan assets:
Cash and short-term investments		5		—		—		—		5
Public equity investments		5		—		—		—		5
Total Canadian nonregistered plan assets		10		—		—		—		10
Total plan assets									$	4,930

Assets that do not have readily available quoted prices in an active market require more judgment to value and have increased valuation risk. As of December 31, 2019, $99 million, or 2.7 percent, of our pension plan assets were classified as Level 3 assets.

A reconciliation of the beginning and ending balances of the pension plan assets measured at fair value using significant unobservable inputs (Level 3) is presented below:

DOLLAR AMOUNTS IN MILLIONS
	INVESTMENTS
	Hedge funds and related investments			Private equity and related investments			Derivative instruments, net			Total
Balance as of December 31, 2017	$	10		$	102		$	445		$	557
Net realized gains (losses)		—			—			238			238
Net change in unrealized gains (losses)		1			(5	)		(184	)		(188	)
Purchases		—			5			—			5
Sales		—			(2	)		—			(2	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		—			18			—			18
Transfers out of Level 3		(8	)		(53	)		—			(61	)
Balance as of December 31, 2018		3			65			262			330
Net realized gains (losses)		1			(1	)		237			237
Net change in unrealized gains (losses)		(1	)		—			(262	)		(263	)
Purchases		—			—			—			—
Sales		(3	)		(3	)		—			(6	)
Settlements		—			—			(237	)		(237	)
Transfers into Level 3		13			28			—			41
Transfers out of Level 3		—			(3	)		—			(3	)
Balance as of December 31, 2019	$	13		$	86		$	—		$	99

The availability of observable market data is monitored to assess the appropriate classification of financial instruments within the fair value hierarchy. Changes in economic conditions or model-based valuation techniques may require the transfer of financial instruments from one fair value level to another. In such instances, the transfer is reported at the beginning of the reporting period. We evaluate the significance of transfers between levels based upon the nature of the financial instrument and size of the transfer relative to total net assets available for benefits.

The table below shows the fair value and aggregate notional amount of the derivative instruments held by our pension trusts at the end of the last two years.

DOLLAR AMOUNTS IN MILLIONS
	FAIR VALUE				NOTIONAL
	DECEMBER 31, 2019		DECEMBER 31, 2018		DECEMBER 31, 2019		DECEMBER 31, 2018
Foreign currency derivatives, net	$	—	$	—	$	—	$	13
Futures contracts, net		10		15		813		1,073
Total return swaps, net		—		262		—		558
Total	$	10	$	277	$	813	$	1,644

ACTUARIAL ASSUMPTIONS

We use actuarial assumptions to estimate our benefit obligations and our net periodic benefit costs. The following tables show the rates used to estimate our benefit obligations and periodic net benefit costs.

Rates We Use in Estimating Our Benefit Obligations

	PENSION
	DECEMBER 31, 2019	DECEMBER 31, 2018
Discount rates:
United States	3.40%	4.40%
Canada	3.10%	3.70%
Lump sum distributions(1)(2)	PPA Table	PPA Table
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%
Lump sum or installment distributions election(2)	60.00%	60.00%

(1) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(2) U.S. qualified salaried and nonqualified plans only.

The discount rates used for our U.S. other postretirement benefit plans were 3.00 percent and 4.20 percent for the years ended December 31, 2019, and December 31, 2018, respectively. Additionally, the discount rates used for our Canadian other postretirement benefit plans were 3.00 percent and 3.70 percent for the years ended December 31, 2019, and December 31, 2018, respectively.

Estimating Our Net Periodic Benefit Costs

	PENSION
	2019	2018	2017
Discount rates:
United States(1)	4.30%	3.70%	4.30%
Canada	3.70%	3.50%	3.70%
Lump sum distributions(2)(3)	PPA Table	PPA Table	PPA Table
Expected return on plan assets:
Qualified/registered plans	7.00%	8.00%	8.00%
Rate of compensation increase:
Salaried:
United States	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age	13.00% to 2.00% decreasing with participant age
Canada	3.25%	3.25%	3.50%
Hourly:
United States	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age	13.00% to 2.30% decreasing with participant age
Canada	3.00%	3.00%	3.25%
Lump sum distributions election(3)	60.00%	60.00%	60.00%

(1) In January 2019, we transferred approximately $1.5 billion of U.S. qualified pension plan assets and liabilities to an insurance company through the purchase of a group annuity contract. The settlement of this liability triggered a plan remeasurement, which caused a change in our 2019 pension plan discount rate. The initial discount rate used to estimate our net periodic benefit costs from January 1, 2019 through January 31, 2019 was 4.40 percent. As a result of the remeasurement, the discount rate was updated to 4.30 percent for the remainder of 2019. Refer to the “Actions to Reduce Pension Plan Obligations” section above for more details of this transaction.

(2) PPA Phased Table: Interest and mortality assumptions as mandated by Pension Protection Act of 2006.

(3) U.S. qualified salaried and nonqualified plans only.

The discount rates used for our U.S. other postretirement benefit plans were 4.20 percent, 3.50 percent and 3.70 percent for the years ended December 31, 2019, December 31, 2018, and December 31, 2017, respectively. Additionally, the discount rates used for our Canadian other postretirement benefit plans were 3.70 percent, 3.40 percent and 3.60 percent for the years ended December 31, 2019, December 31, 2018, and December 31, 2017, respectively.

Expected Return on Plan Assets

Determining our expected return requires a high degree of judgment. We consider actual pension fund asset performance over multiple years, and current and expected valuation levels in the global equity and credit markets. Historical fund returns are used as a base and we place added weight on more recent pension plan asset performance.

Qualified and Registered Pension Plans

As discussed in the “Our Investment Policies and Strategies” section above, at the end of 2018, we began implementing a change in our asset strategy to an allocation that will more closely match the plan’s liability profile moving forward, resulting in a larger allocation of our assets into fixed income securities. With this change, we determined that it was appropriate to reduce our assumption of long-term rate of return on plan assets to 7.0 percent for the year ended December 31, 2019. As this strategy has been in place throughout 2019 and a larger percentage of our portfolio has been allocated to fixed income securities, we have determined that an additional reduction in our assumption of long-term rate of return on plan assets to 6.5 percent is appropriate for the year ended December 31, 2020.

Health Care Costs

Rising costs of health care affect the costs of our other postretirement plans. We use assumptions about health care cost trend rates to estimate the cost of benefits we provide. Our trend rate assumptions are based on historical market experience, current environment and future expectations. During 2019, the assumed weighted health care cost trend rate used to calculate the net periodic benefit cost was:

• 7.8 percent for U.S. Pre-Medicare

• 4.5 percent for U.S. Health Reimbursement Account (HRA)

• 4.9 percent for Canada

This table shows the assumptions we use in estimating the annual cost increase for health care benefits we provide.

Assumptions We Use in Estimating Health Care Benefit Obligations

	2019				2018
	U.S.		CANADA		U.S.		CANADA
Weighted health care cost trend rate assumed for next year	7.30% for Pre- Medicare and 4.50% for HRA		5.40%		7.80% for Pre- Medicare and 4.50% for HRA		4.90%
Rate that the cost trend rate gradually declines to	4.50%		4.00%		4.50%		4.00%
Year the cost trend rate is reached		2037		2039		2037		2039

ACTIVITY OF PLANS

Net Periodic Benefit Cost (Credit)

DOLLAR AMOUNTS IN MILLIONS
	PENSION									OTHER POSTRETIREMENT BENEFITS
	2019			2018			2017			2019			2018			2017
Net periodic benefit cost (credit):
Service cost	$	32		$	37		$	35		$	—		$	—		$	—
Interest cost		160			236			264			6			7			8
Expected return on plan assets		(223	)		(399	)		(409	)		—			—			—
Amortization of actuarial loss		112			225			195			7			8			8
Amortization of prior service cost (credit)		4			3			4			(5	)		(8	)		(8	)
Settlement charges		455			200			—			—			—			—
Net periodic benefit cost (credit)	$	540		$	302		$	89		$	8		$	7		$	8

Expected Pension Plan and Benefit Funding

Established funding standards govern the funding requirements for our qualified and registered pension plans. We fund the benefit payments of our nonqualified and nonregistered plans as benefit payments come due. We voluntarily contributed $300 million to our U.S. qualified pension plans during 2018, although there was no minimum required contribution for the year.

During 2019, we contributed $10 million for our Canadian registered plans, we made contributions and benefit payments of $2 million for our Canadian nonregistered pension plans and made contributions and benefit payments of $18 million for our U.S. nonqualified pension plans.

During 2020, based on estimated year-end asset values and projections of plan liabilities, we expect to:

• be required to contribute approximately $2 million for our Canadian registered plan,

• make contributions and benefit payments of approximately $17 million for our U.S. nonqualified pension plans and

• make contributions and benefit payments of approximately $3 million for the Canadian non-registered plans.

We do not anticipate contributions being required for our U.S. qualified pension plan for 2020.

Expected Postretirement Benefit Funding

During 2019, we contributed $11 million and $4 million to our U.S. and Canadian postretirement benefit plans, respectively. In 2020, we expect to make contributions of $9 million for our U.S. and Canadian other postretirement benefit plans, including $5 million expected to be required to cover benefit payments under collectively bargained contractual obligations.

Estimated Projected Benefit Payments for the Next 10 Years

DOLLAR AMOUNTS IN MILLIONS
	PENSION		OTHER POSTRETIREMENT BENEFITS
2020	$	237	$	14
2021	$	235	$	13
2022	$	236	$	13
2023	$	238	$	12
2024	$	237	$	11
2025-2029	$	1,176	$	47

UNION-ADMINISTERED MULTIEMPLOYER BENEFIT PLANS

We contribute to multiemployer defined benefit plans under the terms of collective-bargaining agreements. These plans cover a small number of our employees and on an annual basis our contributions are immaterial.

These plans have different risks than single-employer plans. Our contributions may be used to fund benefits for employees of other participating employers. If we choose to stop participating, we may be required to pay a withdrawal liability based on the underfunded status of the plan. If another participating employer stops contributing to the plan, we may become responsible for remaining plan unfunded obligations.

DEFINED CONTRIBUTION PLANS

We sponsor various defined contribution plans for our U.S. and Canadian salaried and hourly employees. Our contributions to these plans were:

• $25 million in 2019,

• $22 million in 2018 and

• $21 million in 2017.