Condensed Combining Financial Information - Condensed Combining Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net cash provided by/(used for) operating activities	$ (232)	$ (270)
Capital expenditures	(305)	(282)
Beneficial interests in transferred receivables	490	758
Acquisition of business, net of cash acquired	(3,912)	0
Proceeds from sale of property, plant and equipment	27	8
Foreign exchange derivatives related to acquisitions	(25)	0
Net investment hedge	10	0
Other	(4)	(20)
Net cash (used for) provided by investing activities	(3,719)	464
Proceeds from long-term debt	4,082	1,054
Payments of long-term debt	(56)	(1,100)
Net change in revolving credit facility and short-term debt	(27)	22
Debt issue costs	(70)	(15)
Common stock issued	1	8
Common stock repurchased	(4)	(339)
Dividend paid to noncontrolling interests	(18)	(68)
Foreign exchange derivatives related to debt	(6)	38
Net cash provided by (used for) financing activities	3,902	(400)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(32)	16
Net change in cash, cash equivalents and restricted cash	(81)	(190)
Cash, cash equivalents and restricted cash beginning balance	435	576
Cash, cash equivalents and restricted cash ending balance	354	386
Crown Americas, LLC
Net cash provided by/(used for) operating activities	(232)	(270)
Capital expenditures	(305)	(282)
Beneficial interests in transferred receivables	490	758
Acquisition of business, net of cash acquired	(3,912)
Proceeds from sale of property, plant and equipment	27	8
Intercompany investing activities	0
Foreign exchange derivatives related to acquisitions	(25)
Net investment hedge	10	(20)
Other	(4)
Net cash (used for) provided by investing activities	(3,719)	464
Proceeds from long-term debt	4,082	1,054
Payments of long-term debt	(56)	(1,100)
Net change in revolving credit facility and short-term debt	(27)	22
Debt issue costs	(70)	(15)
Common stock issued	1	8
Common stock repurchased	(4)	(339)
Proceeds from Contributed Capital	0
Dividends paid	0	0
Dividend paid to noncontrolling interests	(18)	(68)
Foreign exchange derivatives related to debt	(6)	38
Net cash provided by (used for) financing activities	3,902	(400)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(32)	16
Net change in cash, cash equivalents and restricted cash	(81)	(190)
Cash, cash equivalents and restricted cash beginning balance	435	576
Cash, cash equivalents and restricted cash ending balance	354	386
Crown Americas, LLC | Parent
Net cash provided by/(used for) operating activities	(15)	(4)
Capital expenditures
Beneficial interests in transferred receivables
Acquisition of business, net of cash acquired
Proceeds from sale of property, plant and equipment
Intercompany investing activities		235
Foreign exchange derivatives related to acquisitions
Net investment hedge
Other
Net cash (used for) provided by investing activities		235
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	18	100
Debt issue costs
Common stock issued	1	8
Common stock repurchased	(4)	(339)
Proceeds from Contributed Capital
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	15	(231)
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	(81)	(46)
Capital expenditures
Beneficial interests in transferred receivables
Acquisition of business, net of cash acquired
Proceeds from sale of property, plant and equipment
Intercompany investing activities	(100)
Foreign exchange derivatives related to acquisitions
Net investment hedge	10
Other
Net cash (used for) provided by investing activities	(90)
Proceeds from long-term debt	975	750
Payments of long-term debt	(20)	(1,010)
Net change in revolving credit facility and short-term debt	40	25
Net change in long-term intercompany balances	(796)	259
Debt issue costs	(40)	(14)
Common stock issued
Common stock repurchased
Proceeds from Contributed Capital
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	159	10
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Net change in cash, cash equivalents and restricted cash	(12)	(36)
Cash, cash equivalents and restricted cash beginning balance	36	83
Cash, cash equivalents and restricted cash ending balance	24	47
Crown Americas, LLC | Guarantors
Net cash provided by/(used for) operating activities	91	90
Capital expenditures	(39)	(91)
Beneficial interests in transferred receivables
Acquisition of business, net of cash acquired
Proceeds from sale of property, plant and equipment	9	1
Intercompany investing activities
Foreign exchange derivatives related to acquisitions
Net investment hedge		(20)
Other
Net cash (used for) provided by investing activities	(30)	(110)
Proceeds from long-term debt	1,150	9
Payments of long-term debt	(5)	(2)
Net change in revolving credit facility and short-term debt
Net change in long-term intercompany balances	(1,205)	13
Debt issue costs
Common stock issued
Common stock repurchased
Proceeds from Contributed Capital
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	(60)	20
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Net change in cash, cash equivalents and restricted cash	1
Cash, cash equivalents and restricted cash beginning balance	3
Cash, cash equivalents and restricted cash ending balance	4
Crown Americas, LLC | Non- Guarantors
Net cash provided by/(used for) operating activities	(216)	(233)
Capital expenditures	(266)	(191)
Beneficial interests in transferred receivables	490	758
Acquisition of business, net of cash acquired	(3,912)
Proceeds from sale of property, plant and equipment	18	7
Intercompany investing activities
Foreign exchange derivatives related to acquisitions	(25)
Net investment hedge		0
Other	(4)
Net cash (used for) provided by investing activities	(3,699)	574
Proceeds from long-term debt	1,957	295
Payments of long-term debt	(31)	(88)
Net change in revolving credit facility and short-term debt	(67)	(3)
Net change in long-term intercompany balances	1,983	(372)
Debt issue costs	(30)	(1)
Common stock issued
Common stock repurchased
Proceeds from Contributed Capital	100
Dividends paid	(11)	(312)
Dividend paid to noncontrolling interests	(18)	(68)
Foreign exchange derivatives related to debt	(6)	38
Net cash provided by (used for) financing activities	3,877	(511)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(32)	16
Net change in cash, cash equivalents and restricted cash	(70)	(154)
Cash, cash equivalents and restricted cash beginning balance	396	493
Cash, cash equivalents and restricted cash ending balance	326	339
Crown Cork & Seal Company Inc.
Net cash provided by/(used for) operating activities	(232)	(270)
Capital expenditures	(305)	(282)
Beneficial interests in transferred receivables	490	758
Acquisition of business, net of cash acquired	(3,912)
Proceeds from sale of property, plant and equipment	27	8
Foreign exchange derivatives related to acquisitions	(25)
Net investment hedge	10	(20)
Other	(4)
Net cash (used for) provided by investing activities	(3,719)	464
Proceeds from long-term debt	4,082	1,054
Payments of long-term debt	(56)	(1,100)
Net change in revolving credit facility and short-term debt	(27)	22
Net change in long-term intercompany balances		0
Debt issue costs	(70)	(15)
Common stock issued	1	8
Common stock repurchased	(4)	(339)
Dividends paid	0	0
Dividend paid to noncontrolling interests	(18)	(68)
Foreign exchange derivatives related to debt	(6)	38
Net cash provided by (used for) financing activities	3,902	(400)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(32)	16
Net change in cash, cash equivalents and restricted cash	(81)	(190)
Cash, cash equivalents and restricted cash beginning balance	435	576
Cash, cash equivalents and restricted cash ending balance	354	386
Crown Cork & Seal Company Inc. | Parent
Net cash provided by/(used for) operating activities	(15)	(4)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Intercompany investing activities		235
Other
Net cash (used for) provided by investing activities	0	235
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	18	100
Debt issue costs
Common stock issued	1	8
Common stock repurchased	(4)	(339)
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	15	(231)
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	(67)	(23)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Other
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	67	23
Debt issue costs
Common stock issued
Common stock repurchased
Dividends paid
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	67	23
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	(145)	(207)
Capital expenditures	(305)	(282)
Beneficial interests in transferred receivables	490	758
Acquisition of business, net of cash acquired	(3,912)
Proceeds from sale of property, plant and equipment	27	8
Foreign exchange derivatives related to acquisitions	(25)
Net investment hedge	10	(20)
Other	(4)
Net cash (used for) provided by investing activities	(3,719)	464
Proceeds from long-term debt	4,082	1,054
Payments of long-term debt	(56)	(1,100)
Net change in revolving credit facility and short-term debt	(27)	22
Net change in long-term intercompany balances	(85)	(123)
Debt issue costs	(70)	(15)
Common stock issued
Common stock repurchased
Dividends paid	(5)	(271)
Dividend paid to noncontrolling interests	(18)	(68)
Foreign exchange derivatives related to debt	(6)	38
Net cash provided by (used for) financing activities	3,815	(463)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(32)	16
Net change in cash, cash equivalents and restricted cash	(81)	(190)
Cash, cash equivalents and restricted cash beginning balance	435	576
Cash, cash equivalents and restricted cash ending balance	354	386
Eliminations | Crown Americas, LLC
Net cash provided by/(used for) operating activities	(11)	(77)
Capital expenditures
Beneficial interests in transferred receivables
Acquisition of business, net of cash acquired
Proceeds from sale of property, plant and equipment
Intercompany investing activities	100	(235)
Foreign exchange derivatives related to acquisitions
Net investment hedge
Other
Net cash (used for) provided by investing activities	100	(235)
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
Debt issue costs
Common stock issued
Common stock repurchased
Proceeds from Contributed Capital	(100)
Dividends paid	11	312
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	(89)	312
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance
Eliminations | Crown Cork & Seal Company Inc.
Net cash provided by/(used for) operating activities	(5)	(36)
Capital expenditures
Beneficial interests in transferred receivables
Proceeds from sale of property, plant and equipment
Intercompany investing activities		(235)
Other
Net cash (used for) provided by investing activities		(235)
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
Debt issue costs
Common stock issued
Common stock repurchased
Dividends paid	5	271
Dividend paid to noncontrolling interests
Foreign exchange derivatives related to debt
Net cash provided by (used for) financing activities	5	271
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash beginning balance