Share Owners' Equity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Increase (Decrease) in Share Owners' Equity
Balance	$ 1,251	$ 1,496	$ 1,096	$ 1,710
Net distribution to parent	(17)	(20)	(20)	(139)
Net earnings	114	24	296	144
Other comprehensive income (loss)	(59)	(243)	(83)	(434)
Distributions to noncontrolling interests		(1)		(13)
Acquisitions of noncontrolling interests	(1)		(1)	(12)
Balance	1,288	1,256	1,288	1,256
Other Contributed Capital
Increase (Decrease) in Share Owners' Equity
Balance	728	827	731	964
Net distribution to parent	(17)	(20)	(20)	(139)
Acquisitions of noncontrolling interests	(1)		(1)	(18)
Balance	710	807	710	807
Retained Earnings
Increase (Decrease) in Share Owners' Equity
Balance	2,405	2,193	2,233	2,082
Net earnings	108	17	280	128
Balance	2,513	2,210	2,513	2,210
Accumulated Other Comprehensive Loss.
Increase (Decrease) in Share Owners' Equity
Balance	(1,992)	(1,636)	(1,976)	(1,453)
Other comprehensive income (loss)	(57)	(235)	(73)	(418)
Balance	(2,049)	(1,871)	(2,049)	(1,871)
Noncontrolling Interests
Increase (Decrease) in Share Owners' Equity
Balance	110	112	108	117
Net earnings	6	7	16	16
Other comprehensive income (loss)	(2)	(8)	(10)	(16)
Distributions to noncontrolling interests		(1)		(13)
Acquisitions of noncontrolling interests				6
Balance	$ 114	$ 110	$ 114	$ 110