Condensed Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	Common stock and paid-in capital	Accumulated Deficit	Accumulated other comprehensive (loss) income	Treasury stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity	$ 13,494	$ 21,245	$ (6,406)	$ (235)	$ (1,110)
Common stock dividends, amount per share	$ 0.56
Net income	$ 1,263		1,263
Share-based compensation	100	100
Other comprehensive income (loss)	289			289
Common stock repurchases	(939)				(939)
Common stock dividends	(242)		(242)
Equity	$ 13,268	21,345	(5,489)	(539)	(2,049)
Common stock dividends, amount per share	$ 0.68
Net income	$ 1,715		1,715
Share-based compensation	93	93
Other comprehensive income (loss)	(654)			(654)
Common stock repurchases	(1,039)				(1,039)
Common stock dividends	(273)		(273)
Equity	$ 14,416	$ 21,438	$ (4,057)	$ 123	$ (3,088)