Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2012	$ 39	$ 321		$ 13,211	$ (13,493)
Net earnings	2,981			2,981
Other comprehensive income, net of tax	3,892				3,892
Repurchases of common stock	(1,744)	(16)	$ (1,294)	(434)
Dividends declared	(1,558)			(1,558)
Stock-based awards and ESOP activity	1,308	14	1,294
Ending Balance at Dec. 31, 2013	4,918	319		14,200	(9,601)
Net earnings	3,614			3,614
Other comprehensive income, net of tax	(2,269)				(2,269)
Repurchases of common stock	(1,900)	(12)	(792)	(1,096)
Dividends declared	(1,762)			(1,762)
Stock-based awards and ESOP activity	799	7	792
Ending Balance at Dec. 31, 2014	3,400	314		14,956	(11,870)
Net earnings	3,605			3,605
Other comprehensive income, net of tax	426				426
Repurchases of common stock	(3,071)	(15)	(656)	(2,400)
Dividends declared	(1,923)			(1,923)
Stock-based awards and ESOP activity	660	4	$ 656
Ending Balance at Dec. 31, 2015	$ 3,097	$ 303		$ 14,238	$ (11,444)