Consolidated Statement of Changes in Equity (Unaudited) - 6 months ended Jun. 30, 2017 - USD ($) $ in Millions	Total	Total Stockholders’ Equity	Common Stock	Capital in Excess of Par Value	Retained Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interests
December 31, 2016 at Dec. 31, 2016	$ 14,046	$ 4,643	$ 785	$ 14,887	$ (9,649)	$ (339)	$ (1,041)	$ 9,403
Net income (loss)	762	454	0	0	454	0	0	308
Other comprehensive income (loss)	9	8	0	0	0	8	0	1
Issuance of common stock (Note 10)	2,118	2,118	75	2,043	0	0	0	0
Cash dividends – common stock	(496)	(496)	0	0	(496)	0	0	0
Dividends and distributions to noncontrolling interests	(475)	0	0	0	0	0	0	(475)
Stock-based compensation and related common stock issuances, net of tax	41	41	1	40	0	0	0	0
Adoption of ASU 2016-09 (Note 1)	37	37	0	1	36	0	0	0
Sales of limited partner units of Williams Partners L.P.	28	0	0	0	0	0	0	28
Changes in ownership of consolidated subsidiaries, net	(902)	1,498	0	1,498	0	0	0	(2,400)
Contributions from noncontrolling interests	10	0	0	0	0	0	0	10
Other	3	3	0	2	1	0	0	0
Net increase (decrease) in equity	1,135	3,663	76	3,584	(5)	8	0	(2,528)
June 30, 2017 at Jun. 30, 2017	$ 15,181	$ 8,306	$ 861	$ 18,471	$ (9,654)	$ (331)	$ (1,041)	$ 6,875