Condensed Combining Financial Information (Condensed Combining Statement Of Cash Flows) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Net cash provided by/(used for) operating activities	$ (15)	$ (117)
Capital expenditures	(111)	(149)
Purchase of business	(1,207)	(733)
Proceeds from sale of business	30	22
Other, net	(14)	6
Net cash used for investing activities	(1,302)	(854)
Proceeds from long-term debt	1,421	1,827
Payments of long-term debt	(752)	(1,015)
Net change in revolving credit facility and short-term debt	96	(130)
Debt issue costs	(17)	(33)
Common stock issued	5	10
Common stock repurchased	(9)	(2)
Purchase of noncontrolling interests	0	(93)
Dividends paid to noncontrolling interests	(17)	(34)
Foreign exchange derivatives related to debt	(48)	(2)
Net cash provided by financing activities	679	528
Effect of exchange rate changes on cash and cash equivalents	(39)	(2)
Net change in cash and cash equivalents	(677)	(445)
Cash and cash equivalents at January 1	965	689
Cash and cash equivalents at June 30	288	244
Crown Cork & Seal Company Inc [Member]
Net cash provided by/(used for) operating activities	(15)	(117)
Capital expenditures	(111)	(149)
Purchase of business	(1,207)	(733)
Proceeds from sale of business	30	22
Intercompany investing activities		0
Other, net	(14)	6
Net cash used for investing activities	(1,302)	(854)
Proceeds from long-term debt	1,421	1,827
Payments of long-term debt	(752)	(1,015)
Net change in revolving credit facility and short-term debt	96	(130)
Net change in long-term intercompany balances		0
Debt issue costs	(17)	(33)
Common stock issued	5	10
Common stock repurchased	(9)	(2)
Dividends paid	0	0
Purchase of noncontrolling interests		(93)
Dividends paid to noncontrolling interests	(17)	(34)
Foreign exchange derivatives related to debt	(48)	(2)
Net cash provided by financing activities	679	528
Effect of exchange rate changes on cash and cash equivalents	(39)	(2)
Net change in cash and cash equivalents	(677)	(445)
Cash and cash equivalents at January 1	965	689
Cash and cash equivalents at June 30	288	244
Crown Cork & Seal Company Inc [Member] | Parent [Member]
Net cash provided by/(used for) operating activities	10	7
Intercompany investing activities	(862)	(941)
Net cash used for investing activities	(862)	(941)
Net change in long-term intercompany balances	856	$ 926
Debt issue costs
Common stock issued	5	$ 10
Common stock repurchased	(9)	(2)
Net cash provided by financing activities	852	934
Net change in cash and cash equivalents	$ 0	0
Cash and cash equivalents at January 1
Cash and cash equivalents at June 30	$ 0	0
Crown Cork & Seal Company Inc [Member] | Issuer [Member]
Net cash provided by/(used for) operating activities	$ (56)	(60)
Proceeds from sale of business
Intercompany investing activities	$ 5	$ 47
Other, net
Net cash used for investing activities	$ 5	$ 47
Net change in long-term intercompany balances	51	$ 13
Debt issue costs
Common stock issued
Net cash provided by financing activities	51	$ 13
Net change in cash and cash equivalents	$ 0	0
Cash and cash equivalents at January 1
Cash and cash equivalents at June 30	$ 0	0
Crown Cork & Seal Company Inc [Member] | Non-Guarantors [Member]
Net cash provided by/(used for) operating activities	31	(64)
Capital expenditures	(111)	(149)
Purchase of business	(1,207)	(733)
Proceeds from sale of business	30	22
Intercompany investing activities	862	941
Other, net	(14)	6
Net cash used for investing activities	(440)	87
Proceeds from long-term debt	1,421	1,827
Payments of long-term debt	(752)	(1,015)
Net change in revolving credit facility and short-term debt	96	(130)
Net change in long-term intercompany balances	(907)	(939)
Debt issue costs	$ (17)	$ (33)
Common stock issued
Common stock repurchased
Dividends paid	$ (5)	$ (47)
Purchase of noncontrolling interests		(93)
Dividends paid to noncontrolling interests	(17)	(34)
Foreign exchange derivatives related to debt	(48)	(2)
Net cash provided by financing activities	(229)	(466)
Effect of exchange rate changes on cash and cash equivalents	(39)	(2)
Net change in cash and cash equivalents	(677)	(445)
Cash and cash equivalents at January 1	965	689
Cash and cash equivalents at June 30	288	244
Crown Cork & Seal Company Inc [Member] | Eliminations [Member]
Intercompany investing activities	(5)	(47)
Net cash used for investing activities	(5)	(47)
Dividends paid	5	$ 47
Purchase of noncontrolling interests
Net cash provided by financing activities	5	$ 47
Net change in cash and cash equivalents	$ 0	0
Cash and cash equivalents at January 1
Cash and cash equivalents at June 30	$ 0	0
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Net cash provided by/(used for) operating activities	(15)	(117)
Capital expenditures	(111)	(149)
Purchase of business	(1,207)	(733)
Proceeds from sale of business	30	22
Intercompany investing activities		0
Other, net	(14)	6
Net cash used for investing activities	(1,302)	(854)
Proceeds from long-term debt	1,421	1,827
Payments of long-term debt	(752)	(1,015)
Net change in revolving credit facility and short-term debt	96	(130)
Net change in long-term intercompany balances		0
Debt issue costs	(17)	(33)
Common stock issued	5	10
Common stock repurchased	(9)	(2)
Dividends paid	0	0
Purchase of noncontrolling interests		(93)
Dividends paid to noncontrolling interests	(17)	(34)
Foreign exchange derivatives related to debt	(48)	(2)
Net cash provided by financing activities	679	528
Effect of exchange rate changes on cash and cash equivalents	(39)	(2)
Net change in cash and cash equivalents	(677)	(445)
Cash and cash equivalents at January 1	965	689
Cash and cash equivalents at June 30	288	244
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Parent [Member]
Net cash provided by/(used for) operating activities	10	7
Intercompany investing activities	(862)	(941)
Net cash used for investing activities	(862)	(941)
Net change in long-term intercompany balances	856	$ 926
Debt issue costs
Common stock issued	5	$ 10
Common stock repurchased	(9)	$ (2)
Foreign exchange derivatives related to debt
Net cash provided by financing activities	852	$ 934
Effect of exchange rate changes on cash and cash equivalents
Net change in cash and cash equivalents	0	$ 0
Cash and cash equivalents at January 1
Cash and cash equivalents at June 30	0	$ 0
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Issuer [Member]
Net cash provided by/(used for) operating activities	(29)	(18)
Intercompany investing activities	2	3
Net cash used for investing activities	2	3
Proceeds from long-term debt	750	$ 942
Payments of long-term debt	(675)
Net change in revolving credit facility and short-term debt	40
Net change in long-term intercompany balances	(150)	$ (1,053)
Debt issue costs	$ (9)	$ (21)
Foreign exchange derivatives related to debt
Net cash provided by financing activities	$ (44)	$ (132)
Effect of exchange rate changes on cash and cash equivalents
Net change in cash and cash equivalents	(71)	$ (147)
Cash and cash equivalents at January 1	128	177
Cash and cash equivalents at June 30	57	30
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Guarantor Subsidiaries [Member]
Net cash provided by/(used for) operating activities	64	(2)
Capital expenditures	$ (21)	(17)
Proceeds from sale of business
Intercompany investing activities	$ 9	47
Other, net	(10)	4
Net cash used for investing activities	(22)	$ 34
Payments of long-term debt
Net change in long-term intercompany balances	(42)	$ 42
Debt issue costs
Dividends paid
Purchase of noncontrolling interests		$ (76)
Foreign exchange derivatives related to debt
Net cash provided by financing activities	$ (42)	$ (34)
Effect of exchange rate changes on cash and cash equivalents
Net change in cash and cash equivalents		$ (2)
Cash and cash equivalents at January 1		2
Cash and cash equivalents at June 30	$ 0
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Non-Guarantors [Member]
Net cash provided by/(used for) operating activities	(60)	(104)
Capital expenditures	(90)	(132)
Purchase of business	(1,207)	(733)
Proceeds from sale of business	30	22
Intercompany investing activities	862	941
Other, net	(4)	2
Net cash used for investing activities	(409)	100
Proceeds from long-term debt	671	885
Payments of long-term debt	(77)	(1,015)
Net change in revolving credit facility and short-term debt	56	(130)
Net change in long-term intercompany balances	(664)	85
Debt issue costs	(8)	$ (12)
Common stock repurchased
Dividends paid	(11)	$ (50)
Purchase of noncontrolling interests		(17)
Dividends paid to noncontrolling interests	(17)	(34)
Foreign exchange derivatives related to debt	(48)	(2)
Net cash provided by financing activities	(98)	(290)
Effect of exchange rate changes on cash and cash equivalents	(39)	(2)
Net change in cash and cash equivalents	(606)	(296)
Cash and cash equivalents at January 1	837	510
Cash and cash equivalents at June 30	231	214
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Eliminations [Member]
Intercompany investing activities	(11)	(50)
Net cash used for investing activities	(11)	$ (50)
Common stock repurchased
Dividends paid	11	$ 50
Foreign exchange derivatives related to debt
Net cash provided by financing activities	11	$ 50
Effect of exchange rate changes on cash and cash equivalents
Net change in cash and cash equivalents	0	$ 0
Cash and cash equivalents at January 1
Cash and cash equivalents at June 30	$ 0	$ 0