Equity and Accumulated Other Comprehensive Earnings - Equity activity (Details) - USD ($) shares in Thousands, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		$ 2,830	$ 3,564	$ 3,019	$ 3,562
Net earnings		240	92	355	406
Other comprehensive earnings (loss), net of tax, excluding currency translation on assets transferred to held for sale		(87)	36	(245)	153
Currency translation recognized in earnings as a result of the transfer of the Argentine steel aerosol business to held for sale			45		45
Common dividends, net of tax benefits		(49)	(49)	(148)	(133)
Treasury stock purchases			(232)	(54)	(612)
Treasury stock purchases (in shares)	(3,800)
Treasury shares reissued		7	7	21	19
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged		11	7	(14)	22
Other activity		1	(5)	19	3
Balance at end of the period		2,953	3,465	2,953	3,465
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		$ 1,153	$ 1,172	$ 1,178	$ 1,157
Balance (in shares)		678,484	675,463	676,302	673,237
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged		$ 11	$ 7	$ (14)	$ 22
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged (in shares)		517	588	2,699	2,814
Other activity			$ (2)		$ (2)
Balance at end of the period		$ 1,164	$ 1,177	$ 1,164	$ 1,177
Balance (in shares)		679,001	676,051	679,001	676,051
Treasury Stock, Common
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		$ (3,145)	$ (2,566)	$ (3,122)	$ (2,205)
Balance (in shares)		352,102	343,623	351,667	337,979
Treasury stock purchases			$ (232)	$ (54)	$ (612)
Treasury stock purchases (in shares)			(3,296)	(775)	(9,470)
Treasury shares reissued		$ 7	$ 7	$ 21	$ 19
Treasury shares reissued (in shares)		80	64	420	594
Other activity		$ 1	$ 1	$ 18	$ 8
Balance at end of the period		$ (3,137)	$ (2,790)	$ (3,137)	$ (2,790)
Balance (in shares)		352,022	346,855	352,022	346,855
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		$ 5,822	$ 5,651	$ 5,803	$ 5,341
Net earnings		241	92	358	406
Reclassification of stranded tax effects					79
Common dividends, net of tax benefits		(49)	(49)	(148)	(133)
Other activity				1	1
Balance at end of the period		6,014	5,694	6,014	5,694
Accumulated Other Comprehensive Earnings (Loss).
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		(1,068)	(797)	(910)	(835)
Other comprehensive earnings (loss), net of tax, excluding currency translation on assets transferred to held for sale		(87)	36	(245)	153
Currency translation recognized in earnings as a result of the transfer of the Argentine steel aerosol business to held for sale			45		45
Reclassification of stranded tax effects					(79)
Balance at end of the period		(1,155)	(716)	(1,155)	(716)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period		68	104	70	104
Net earnings		(1)		(3)
Other activity			(4)		(4)
Balance at end of the period		$ 67	$ 100	$ 67	$ 100