Consolidated Statement of Changes in Equity (Unaudited) - 3 months ended Mar. 31, 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)	569	373	0	0	373	0	0	196
Other comprehensive income (loss)	6	5	0	0	0	5	0	1
Issuance of common stock (Note 9)	2,118	2,118	75	2,043	0	0	0	0
Cash dividends – common stock	(248)	(248)	0	0	(248)	0	0	0
Dividends and distributions to noncontrolling interests	(258)	0	0	0	0	0	0	(258)
Stock-based compensation and related common stock issuances, net of tax	18	18	1	17	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.	16	0	0	0	0	0	0	16
Changes in ownership of consolidated subsidiaries, net	(901)	1,496	0	1,496	0	0	0	(2,397)
Contributions from noncontrolling interests	4	0	0	0	0	0	0	4
Other	2	2	0	1	1	0	0	0
Net increase (decrease) in equity	1,363	3,801	76	3,558	162	5	0	(2,438)
March 31, 2017 at Mar. 31, 2017	$ 15,409	$ 8,444	$ 861	$ 18,445	$ (9,487)	$ (334)	$ (1,041)	$ 6,965