Consolidated Statement of Changes in Equity (Unaudited) (USD $) In Millions	Total	Common Stock	Capital in Excess of Par Value	Retained Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total Stockholders' Equity	Noncontrolling Interests
Beginning balance at Dec. 31, 2013	$ 8,921	$ 718	$ 11,599	$ (6,248)	$ (164)	$ (1,041)	$ 4,864	$ 4,057
Net income (loss)	2,031	0	0	1,921	0	0	1,921	110
Other comprehensive income (loss)	(43)	0	0	0	(38)	0	(38)	(5)
Issuance of common stock for acquisition of business (Note 10)	3,378	61	3,317	0	0	0	3,378	0
Noncontrolling interest resulting from acquisition of business	7,529	0	0	0	0	0	0	7,529
Cash dividends - common stock	(986)	0	0	(986)	0	0	(986)	0
Dividends and distributions to noncontrolling interests	(509)	0	0	0	0	0	0	(509)
Stock-based compensation and related common stock issuances, net of tax	75	3	72	0	0	0	75	0
Sales of limited partner units of Williams Partners L.P.	55	0	0	0	0	0	0	55
Changes in ownership of consolidated subsidiaries, net	36	0	(62)	0	(20)	0	(82)	118
Contributions from Noncontrolling Interests	260	0	0	0	0	0	0	260
Deconsolidation of Bluegrass Pipeline (Note 2)	(63)	0	0	0	0	0	0	(63)
Other	(3)	0	(1)	(2)	0	0	(3)	0
Net increase (decrease) in equity	11,760	64	3,326	933	(58)	0	4,265	7,495
Ending balance at Sep. 30, 2014	$ 20,681	$ 782	$ 14,925	$ (5,315)	$ (222)	$ (1,041)	$ 9,129	$ 11,552