Share Owners' Equity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Increase (Decrease) in Share Owners' Equity
Balance	$ 1,445	$ 1,251	$ 1,055	$ 1,096
Net distribution to parent	(16)	(17)	(29)	(20)
Net earnings	133	114	329	296
Other comprehensive income (loss)	20	(59)	227	(83)
Acquisitions of noncontrolling interests		(1)		(1)
Balance	1,582	1,288	1,582	1,288
Other Contributed Capital
Increase (Decrease) in Share Owners' Equity
Balance	622	728	635	731
Net distribution to parent	(16)	(17)	(29)	(20)
Acquisitions of noncontrolling interests		(1)		(1)
Balance	606	710	606	710
Retained Earnings (Loss)
Increase (Decrease) in Share Owners' Equity
Balance	2,630	2,405	2,442	2,233
Net earnings	126	108	314	280
Balance	2,756	2,513	2,756	2,513
Accumulated Other Comprehensive Loss
Increase (Decrease) in Share Owners' Equity
Balance	(1,916)	(1,992)	(2,131)	(1,976)
Other comprehensive income (loss)	19	(57)	234	(73)
Balance	(1,897)	(2,049)	(1,897)	(2,049)
Non-controlling Interests
Increase (Decrease) in Share Owners' Equity
Balance	109	110	109	108
Net earnings	7	6	15	16
Other comprehensive income (loss)	1	(2)	(7)	(10)
Balance	$ 117	$ 114	$ 117	$ 114