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