Consolidated Statement of Changes in Equity (Unaudited) - 9 months ended Sep. 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)	887	487	0	0	487	0	0	400
Other comprehensive income (loss)	6	8	0	0	0	8	0	(2)
Issuance of common stock (Note 10)	2,118	2,118	75	2,043	0	0	0	0
Cash dividends – common stock	(744)	(744)	0	0	(744)	0	0	0
Dividends and distributions to noncontrolling interests	(679)	0	0	0	0	0	0	(679)
Stock-based compensation and related common stock issuances, net of tax	60	60	1	59	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.	43	0	0	0	0	0	0	43
Changes in ownership of consolidated subsidiaries, net	(907)	1,497	0	1,497	0	0	0	(2,404)
Contributions from noncontrolling interests	15	0	0	0	0	0	0	15
Other	0	3	0	5	(2)	0	0	(3)
Net increase (decrease) in equity	836	3,466	76	3,605	(223)	8	0	(2,630)
September 30, 2017 at Sep. 30, 2017	$ 14,882	$ 8,109	$ 861	$ 18,492	$ (9,872)	$ (331)	$ (1,041)	$ 6,773