Consolidated Statement of Changes in Equity (Unaudited) - 3 months ended Mar. 31, 2018 - 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, 2017 at Dec. 31, 2017	$ 16,175	$ 9,656	$ 861	$ 18,508	$ (8,434)	$ (238)	$ (1,041)	$ 6,519
Adoption of ASC 606 (Note 1)	(121)	(84)	0	0	(84)	0	0	(37)
Adoption of ASU 2018-02 (Note 1)	0	0	0	0	61	(61)	0	0
Net income (loss)	270	152	0	0	152	0	0	118
Other comprehensive income (loss)	6	5	0	0	0	5	0	1
Cash dividends – common stock	(281)	(281)	0	0	(281)	0	0	0
Dividends and distributions to noncontrolling interests	(187)	0	0	0	0	0	0	(187)
Stock-based compensation and related common stock issuances, net of tax	19	19	1	18	0	0	0	0
Sales of limited partner units of Williams Partners L.P.	22	0	0	0	0	0	0	22
Changes in ownership of consolidated subsidiaries, net	(2)	7	0	7	0	0	0	(9)
Contributions from noncontrolling interests	3	0	0	0	0	0	0	3
Other	(1)	(1)	0	0	(1)	0	0	0
Net increase (decrease) in equity	(272)	(183)	1	25	(153)	(56)	0	(89)
March 31, 2018 at Mar. 31, 2018	$ 15,903	$ 9,473	$ 862	$ 18,533	$ (8,587)	$ (294)	$ (1,041)	$ 6,430