Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Common stock	Paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning of year at Dec. 31, 2013		$ 218	$ 848	$ 12,538	$ (2,984)
Common stock repurchased		(21)	(999)	(1,637)
Shares issued for employee stock awards and options		2	139	0
Other			12
Net earnings	$ 2,069			2,069
Dividends declared				(578)
Other comprehensive (loss) income, net of tax	(2,372)				(2,372)
End of year at Dec. 31, 2014	$ 7,235	199	0	12,392	(5,356)
Cash dividends declared per share	$ 2.71
Common stock repurchased		(19)	0	(3,154)
Shares issued for employee stock awards and options		1	0	29
Other			0
Net earnings	$ 1,990			1,990
Dividends declared				(596)
Other comprehensive (loss) income, net of tax	36				36
End of year at Dec. 31, 2015	$ 5,522	181	0	10,661	(5,320)
Cash dividends declared per share	$ 3.10
Common stock repurchased		(7)	0	(1,548)
Shares issued for employee stock awards and options		1	0	(50)
Other			0
Net earnings	$ 2,200			2,200
Dividends declared				(633)
Other comprehensive (loss) income, net of tax	(226)				(226)
End of year at Dec. 31, 2016	$ 5,259	$ 175	$ 0	$ 10,630	$ (5,546)
Cash dividends declared per share	$ 3.50