Schedule I Condensed Financial Information of Registrant (Tables)

12 Months Ended

Dec. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Income Statement [Table Text Block]

The Williams Companies, Inc.

Schedule I — Condensed Financial Information of Registrant

Statement of Comprehensive Income (Loss) (Parent)

	Years Ended December 31,
	2015			2014			2013
	(Millions, except per-share amounts)
Equity in earnings of consolidated subsidiaries	$	232		$	1,799		$	1,564
Equity earnings (losses) from investment in Access Midstream Partners	—			(7		)	30
Interest incurred — external	(255		)	(206		)	(156		)
Interest incurred — affiliate	(828		)	(797		)	(722		)
Interest income — affiliate	6			10			71
Gain on remeasurement of equity-method investment	—			2,544			—
Other income (expense) — net	(75		)	(13		)	32
Income (loss) from continuing operations before income taxes	(920		)	3,330			819
Provision (benefit) for income taxes	(349		)	1,220			378
Income (loss) from continuing operations	(571		)	2,110			441
Income (loss) from discontinued operations	—			4			(11		)
Net income (loss)	$	(571	)	$	2,114		$	430
Basic earnings (loss) per common share:
Income (loss) from continuing operations	$	(.76	)	$	2.93		$	.65
Income (loss) from discontinued operations	—			.01			(.02		)
Net income (loss)	$	(.76	)	$	2.94		$	.63
Weighted-average shares (thousands)	749,271			719,325			682,948
Diluted earnings (loss) per common share:
Income (loss) from continuing operations	$	(.76	)	$	2.91		$	.64
Income (loss) from discontinued operations	—			.01			(.02		)
Net income (loss)	$	(.76	)	$	2.92		$	.62
Weighted-average shares (thousands)	749,271			723,641			687,185
Other comprehensive income (loss):
Equity in other comprehensive income (loss) of consolidated subsidiaries	$	(204	)	$	(96	)	$	(41	)
Other comprehensive income (loss) attributable to The Williams Companies, Inc.	33			(80		)	239
Other comprehensive income (loss)	(171		)	(176		)	198
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(70		)	(19		)	—
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$	(672	)	$	1,957		$	628

See accompanying notes.

Condensed Balance Sheet [Table Text Block]

The Williams Companies, Inc.

Schedule I — Condensed Financial Information of Registrant – (Continued)

Balance Sheet (Parent)

	December 31,
	2015		2014
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	12	$	49
Other current assets and deferred charges	62		246
Total current assets	74		295
Investments in and advances to consolidated subsidiaries	30,927		31,405
Property, plant, and equipment — net	99		99
Other noncurrent assets	12		12
Total assets	$	31,112	$	31,811
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	27	$	27
Other current liabilities	163		174
Total current liabilities	190		201
Long-term debt	4,811		4,528
Notes payable — affiliates	15,506		13,295
Pension, other postretirement, and other noncurrent liabilities	336		409
Deferred income tax liabilities	4,121		4,601
Contingent liabilities and commitments
Equity:
Common stock	784		782
Other stockholders’ equity	5,364		7,995
Total stockholders’ equity	6,148		8,777
Total liabilities and stockholders’ equity	$	31,112	$	31,811

See accompanying notes.

Condensed Cash Flow Statement [Table Text Block]

The Williams Companies, Inc.

Schedule I — Condensed Financial Information of Registrant – (Continued)

Statement of Cash Flows (Parent)

	Years Ended December 31,
	2015			2014			2013
	(Millions)
NET CASH FLOWS PROVIDED (USED) BY OPERATING ACTIVITIES	$	(1,209	)	$	(500	)	$	19
FINANCING ACTIVITIES:
Proceeds from long-term debt	2,097			2,935			—
Payments of long-term debt	(1,817		)	(671		)	(1		)
Changes in notes payable to affiliates	2,211			2,465			1,892
Tax benefit of stock-based awards	—			25			19
Proceeds from issuance of common stock	27			3,416			18
Dividends paid	(1,836		)	(1,412		)	(982		)
Other — net	(2		)	(17		)	(3		)
Net cash provided (used) by financing activities	680			6,741			943
INVESTING ACTIVITIES:
Capital expenditures	(29		)	(54		)	(23		)
Purchase of Access Midstream Partners	—			(5,995		)	—
Changes in investments in and advances to consolidated subsidiaries	521			(450		)	(985		)
Other — net	—			25			(12		)
Net cash provided (used) by investing activities	492			(6,474		)	(1,020		)
Increase (decrease) in cash and cash equivalents	(37		)	(233		)	(58		)
Cash and cash equivalents at beginning of year	49			282			340
Cash and cash equivalents at end of year	$	12		$	49		$	282

See accompanying notes.