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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended	12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Taxes paid					$ 173	$ 177	$ 154
Tax contingencies					19	(2)	$ 6
Percent of adjusted taxable income							30.00%
Reduction in deferred tax asset							$ 103
Provisional obligation for transition tax							82
Charge related to foreign tax credit							25
Reversal of deferred tax liabilities related to undistributed foreign earnings							11
Finalized impact of Tax Act, income tax benefit							2
Charge related to local taxes on distributions of foreign earnings previously asserted to be indefinitely reinvested						24
Deferred taxes on earnings of foreign subsidiaries	$ 1,300				1,300
Valuation allowance	243				243	282
Income tax benefit	(37)	$ (15)	$ (28)		(166)	(216)	(401)
Unrecognized tax benefits, interest and penalties excluded from reserves	2				2
Unrecognized tax benefits, settlements for certain tax contingencies					15	2	4
Interest and penalties expenses					1	1	1
Unrecognized tax benefits that if recognized would affect ETR	41				41
Business Interest Carryforwards
Income Taxes [Line Items]
Tax loss carryforwards	36				36
Signode
Income Taxes [Line Items]
Tax loss carryforwards	53				53
INDIA
Income Taxes [Line Items]
Tax contingencies				$ 9
Brazil
Income Taxes [Line Items]
Increase in net income attributable to the Company resulting from incentives					17	14	$ 14
Signode
Income Taxes [Line Items]
Tax contingencies				$ 15
U.S.
Income Taxes [Line Items]
Tax loss carryforwards	72				72
State
Income Taxes [Line Items]
Tax loss carryforwards	141				141
Valuation allowance						$ 205
France
Income Taxes [Line Items]
Tax loss carryforwards	$ 64				64
Internal Reorganization
Income Taxes [Line Items]
Income tax benefit					$ (36)

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