Share Owners' Equity - Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Increase (Decrease) in Share Owners' Equity
Balance	$ 502	$ 42	$ 401	$ 564
Issuance of common stock			1
Reissuance of common stock	3	2	7	7
Shares repurchased	(10)		(30)
Stock compensation	3	3	11	8
Net earnings	91	335	123	289
Other comprehensive income (loss)	(19)	(117)	60	(592)
Dividends declared				(8)
Other			(3)	(3)
Balance	570	265	570	265
Common Stock
Increase (Decrease) in Share Owners' Equity
Balance	2	2	2	2
Balance	2	2	2	2
Capital in Excess of Par Value
Increase (Decrease) in Share Owners' Equity
Balance	3,113	3,128	3,129	3,130
Issuance of common stock			1
Reissuance of common stock	(1)	(3)	(4)	(10)
Shares repurchased	(10)		(30)
Stock compensation	3	3	11	8
Other			(2)
Balance	3,105	3,128	3,105	3,128
Treasury Stock
Increase (Decrease) in Share Owners' Equity
Balance	(709)	(724)	(714)	(733)
Reissuance of common stock	4	5	11	17
Other			(2)	(3)
Balance	(705)	(719)	(705)	(719)
Retained Earnings (Loss)
Increase (Decrease) in Share Owners' Equity
Balance	173	(147)	152	(89)
Net earnings	85	328	106	278
Dividends declared				(8)
Balance	258	181	258	181
Accumulated Other Comprehensive Loss
Increase (Decrease) in Share Owners' Equity
Balance	(2,180)	(2,308)	(2,272)	(1,843)
Other comprehensive income (loss)	(18)	(117)	74	(582)
Balance	(2,198)	(2,425)	(2,198)	(2,425)
Non-controlling Interests
Increase (Decrease) in Share Owners' Equity
Balance	103	91	104	97
Net earnings	6	7	17	11
Other comprehensive income (loss)	(1)		(14)	(10)
Other			1
Balance	$ 108	$ 98	$ 108	$ 98