Condensed Combining Financial Information - Condensed Combining Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net cash provided by/(used for) operating activities	$ (666)	$ (751)
Capital expenditures	(75)	(92)
Beneficial interests in transferred receivables	0	175
Proceeds from sale of property, plant and equipment	5	0
Foreign exchange derivatives related to acquisitions	0	(25)
Net investment hedge	6	0
Net cash (used for) provided by investing activities	(64)	58
Proceeds from long-term debt	0	1,912
Payments of long-term debt	(281)	(13)
Net change in revolving credit facility and short-term debt	731	576
Payments of finance leases	(14)
Debt issue costs	0	(29)
Common stock issued	2	0
Common stock repurchased	(1)	(1)
Dividend paid to noncontrolling interests	(9)	0
Foreign exchange derivatives related to debt	(11)	10
Net cash provided by financing activities	417	2,455
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2	14
Net change in cash, cash equivalents and restricted cash	(311)	1,776
Cash, cash equivalents and restricted cash beginning balance	659	435
Cash, cash equivalents and restricted cash ending balance	348	2,211
Crown Cork & Seal Company Inc.
Net cash provided by/(used for) operating activities	(666)	(751)
Capital expenditures	(75)	(92)
Beneficial interests in transferred receivables		175
Proceeds from sale of property, plant and equipment	5
Foreign exchange derivatives related to acquisitions		(25)
Net investment hedge	6
Net cash (used for) provided by investing activities	(64)	58
Proceeds from long-term debt		1,912
Payments of long-term debt	(281)	(13)
Net change in revolving credit facility and short-term debt	731	576
Net change in long-term intercompany balances	(1)	0
Payments of finance leases	(14)
Debt issue costs		(29)
Common stock issued	2
Common stock repurchased	(1)	(1)
Dividends paid	0
Dividend paid to noncontrolling interests	(9)
Foreign exchange derivatives related to debt	(11)	10
Net cash provided by financing activities	416	2,455
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2	14
Net change in cash, cash equivalents and restricted cash	(312)	1,776
Cash, cash equivalents and restricted cash beginning balance	659	435
Cash, cash equivalents and restricted cash ending balance	347	2,211
Crown Cork & Seal Company Inc. | Parent
Net cash provided by/(used for) operating activities	0	(22)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Net cash (used for) provided by investing activities	0
Proceeds from long-term debt
Payments of long-term debt
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances	(1)	23
Payments of finance leases
Common stock issued	2
Common stock repurchased	(1)	(1)
Dividends paid
Foreign exchange derivatives related to debt
Net cash provided by financing activities		22
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance
Crown Cork & Seal Company Inc. | Issuer
Net cash provided by/(used for) operating activities	(2)	(21)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Net cash (used for) provided by investing activities
Proceeds from long-term debt
Payments of long-term debt
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances	2	21
Payments of finance leases
Common stock issued
Common stock repurchased
Dividends paid
Foreign exchange derivatives related to debt
Net cash provided by financing activities	2	21
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance
Crown Cork & Seal Company Inc. | Non- Guarantors
Net cash provided by/(used for) operating activities	(662)	(708)
Capital expenditures	(75)	(92)
Beneficial interests in transferred receivables		175
Proceeds from sale of property, plant and equipment	5
Foreign exchange derivatives related to acquisitions		(25)
Net investment hedge	6
Net cash (used for) provided by investing activities	(64)	58
Proceeds from long-term debt		1,912
Payments of long-term debt	(281)	(13)
Net change in revolving credit facility and short-term debt	731	576
Net change in long-term intercompany balances	(2)	(44)
Payments of finance leases	(14)
Debt issue costs		(29)
Common stock issued
Common stock repurchased
Dividends paid	(2)
Dividend paid to noncontrolling interests	(9)
Foreign exchange derivatives related to debt	(11)	10
Net cash provided by financing activities	412	2,412
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2	14
Net change in cash, cash equivalents and restricted cash	(312)	1,776
Cash, cash equivalents and restricted cash beginning balance	659	435
Cash, cash equivalents and restricted cash ending balance	347	2,211
Crown Americas, LLC
Net cash provided by/(used for) operating activities	(666)	(751)
Capital expenditures	(75)	(92)
Beneficial interests in transferred receivables		175
Proceeds from sale of property, plant and equipment	5
Foreign exchange derivatives related to acquisitions		(25)
Net investment hedge	6
Net cash (used for) provided by investing activities	(64)	58
Proceeds from long-term debt		1,912
Payments of long-term debt	(281)	(13)
Net change in revolving credit facility and short-term debt	731	576
Payments of finance leases	(14)
Debt issue costs		(29)
Common stock issued	2
Common stock repurchased	(1)	(1)
Dividends paid	0
Dividend paid to noncontrolling interests	(9)
Foreign exchange derivatives related to debt	(11)	10
Net cash provided by financing activities	417	2,455
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2	14
Net change in cash, cash equivalents and restricted cash	(311)	1,776
Cash, cash equivalents and restricted cash beginning balance	659	435
Cash, cash equivalents and restricted cash ending balance	348	2,211
Crown Americas, LLC | Parent
Net cash provided by/(used for) operating activities		(22)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Foreign exchange derivatives related to acquisitions
Net investment hedge
Proceeds from long-term debt
Payments of long-term debt
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances	(1)	23
Payments of finance leases
Common stock issued	2
Common stock repurchased	(1)	(1)
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by financing activities		22
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance
Crown Americas, LLC | Issuer
Net cash provided by/(used for) operating activities	(31)	(29)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Foreign exchange derivatives related to acquisitions
Net investment hedge	6
Net cash (used for) provided by investing activities	6
Proceeds from long-term debt		875
Payments of long-term debt	(5)	(4)
Net change in revolving credit facility and short-term debt	375	160
Net change in long-term intercompany balances	(434)	(349)
Payments of finance leases
Debt issue costs		(13)
Common stock issued
Common stock repurchased
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by financing activities	(64)	669
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Net change in cash, cash equivalents and restricted cash	(89)	640
Cash, cash equivalents and restricted cash beginning balance	117	36
Cash, cash equivalents and restricted cash ending balance	28	676
Crown Americas, LLC | Guarantors
Net cash provided by/(used for) operating activities	(154)	(55)
Capital expenditures	(16)	(20)
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment	1
Foreign exchange derivatives related to acquisitions
Net investment hedge
Net cash (used for) provided by investing activities	(15)	(20)
Proceeds from long-term debt
Payments of long-term debt	(270)	(1)
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances	438	75
Payments of finance leases	(13)
Common stock issued
Common stock repurchased
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by financing activities	155	74
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Net change in cash, cash equivalents and restricted cash	(14)	(1)
Cash, cash equivalents and restricted cash beginning balance	19	3
Cash, cash equivalents and restricted cash ending balance	5	2
Crown Americas, LLC | Non- Guarantors
Net cash provided by/(used for) operating activities	(473)	(645)
Capital expenditures	(59)	(72)
Beneficial interests in transferred receivables		175
Proceeds from sale of property, plant and equipment	4
Foreign exchange derivatives related to acquisitions		(25)
Net investment hedge
Net cash (used for) provided by investing activities	(55)	78
Proceeds from long-term debt		1,037
Payments of long-term debt	(6)	(8)
Net change in revolving credit facility and short-term debt	356	416
Net change in long-term intercompany balances	(3)	251
Payments of finance leases	(1)
Debt issue costs		(16)
Common stock issued
Common stock repurchased
Dividends paid	(8)
Dividend paid to noncontrolling interests	(9)
Foreign exchange derivatives related to debt	(11)	10
Net cash provided by financing activities	318	1,690
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2	14
Net change in cash, cash equivalents and restricted cash	(208)	1,137
Cash, cash equivalents and restricted cash beginning balance	523	396
Cash, cash equivalents and restricted cash ending balance	315	1,533
Eliminations | Crown Cork & Seal Company Inc.
Net cash provided by/(used for) operating activities	(2)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Proceeds from long-term debt
Payments of long-term debt
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances
Payments of finance leases
Debt issue costs
Common stock issued
Common stock repurchased
Dividends paid	2
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by financing activities	2
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance
Eliminations | Crown Americas, LLC
Net cash provided by/(used for) operating activities	(8)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Foreign exchange derivatives related to acquisitions
Net investment hedge
Proceeds from long-term debt
Payments of long-term debt
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances
Payments of finance leases
Common stock issued
Common stock repurchased
Dividends paid	8
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by financing activities	8
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance