Condensed Combining Financial Information (Condensed Combining Statement of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net sales	$ 1,893	$ 1,997
Cost of products sold, excluding depreciation and amortization	1,521	1,660
Depreciation and amortization	60	51
Selling and administrative expense	91	98
Restructuring and other	2	20
Income from operations	219	168
Loss from early extinguishments of debt	27	0
Foreign exchange	(6)	6
Income before income taxes	137	99
Provision for income taxes	38	37
Net income	99	62
Net income attributable to noncontrolling interests	(20)	(18)
Net income attributable to Crown Holdings	79	44
Comprehensive income	123	(140)
Comprehensive income attributable to Crown Holdings	102	(156)
Crown Cork & Seal Company Inc [Member]
Net sales	1,893	1,997
Cost of products sold, excluding depreciation and amortization	1,521	1,660
Depreciation and amortization	60	51
Selling and administrative expense	91	98
Restructuring and other	2	20
Income from operations	219	168
Loss from early extinguishments of debt	27
Net interest expense	61	63
Foreign exchange	(6)	6
Income before income taxes	137	99
Provision for income taxes	38	37
Equity earnings / (loss) in affiliates	0	0
Net income	99	62
Net income attributable to noncontrolling interests	(20)	(18)
Net income attributable to Crown Holdings	79	44
Comprehensive income	123	(140)
Comprehensive income attributable to noncontrolling interests	(21)	(16)
Comprehensive income attributable to Crown Holdings	102	(156)
Crown Cork & Seal Company Inc [Member] | Parent [Member]
Equity earnings / (loss) in affiliates	79	44
Net income	79	44
Net income attributable to Crown Holdings	79	44
Comprehensive income	102	(156)
Comprehensive income attributable to Crown Holdings	102	(156)
Crown Cork & Seal Company Inc [Member] | Issuer [Member]
Selling and administrative expense	2	2
Income from operations	$ (2)	(2)
Loss from early extinguishments of debt
Net interest expense	$ 27	26
Foreign exchange
Income before income taxes	$ (29)	(28)
Provision for income taxes	(7)	(1)
Equity earnings / (loss) in affiliates	77	57
Net income	55	30
Net income attributable to Crown Holdings	55	30
Comprehensive income	145	(78)
Comprehensive income attributable to Crown Holdings	145	(78)
Crown Cork & Seal Company Inc [Member] | Non-Guarantors [Member]
Net sales	1,893	1,997
Cost of products sold, excluding depreciation and amortization	1,521	1,660
Depreciation and amortization	60	51
Selling and administrative expense	89	96
Restructuring and other	2	20
Income from operations	221	170
Loss from early extinguishments of debt	27
Net interest expense	34	37
Foreign exchange	(6)	6
Income before income taxes	166	127
Provision for income taxes	45	38
Net income	121	89
Net income attributable to noncontrolling interests	(20)	(18)
Net income attributable to Crown Holdings	101	71
Comprehensive income	145	(113)
Comprehensive income attributable to noncontrolling interests	(21)	(16)
Comprehensive income attributable to Crown Holdings	124	(129)
Crown Cork & Seal Company Inc [Member] | Eliminations [Member]
Equity earnings / (loss) in affiliates	(156)	(101)
Net income	(156)	(101)
Net income attributable to Crown Holdings	(156)	(101)
Comprehensive income	(269)	207
Comprehensive income attributable to Crown Holdings	(269)	207
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Net sales	1,893	1,997
Cost of products sold, excluding depreciation and amortization	1,521	1,660
Depreciation and amortization	60	51
Selling and administrative expense	91	98
Restructuring and other	2	20
Income from operations	219	168
Loss from early extinguishments of debt	27
Net interest expense	61	63
Foreign exchange	(6)	6
Income before income taxes	137	99
Provision for income taxes	38	37
Equity earnings / (loss) in affiliates	0	0
Net income	99	62
Net income attributable to noncontrolling interests	(20)	(18)
Net income attributable to Crown Holdings	79	44
Comprehensive income	123	(140)
Comprehensive income attributable to noncontrolling interests	(21)	(16)
Comprehensive income attributable to Crown Holdings	102	(156)
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Parent [Member]
Equity earnings / (loss) in affiliates	79	44
Net income	79	44
Net income attributable to Crown Holdings	79	44
Comprehensive income	102	(156)
Comprehensive income attributable to Crown Holdings	102	(156)
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Issuer [Member]
Selling and administrative expense	3	2
Income from operations	(3)	(2)
Loss from early extinguishments of debt	27
Net interest expense	20	20
Foreign exchange	32
Income before income taxes	(82)	(22)
Provision for income taxes	(31)	(8)
Equity earnings / (loss) in affiliates	64	50
Net income	13	36
Net income attributable to Crown Holdings	13	36
Comprehensive income	16	40
Comprehensive income attributable to Crown Holdings	16	40
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Guarantors [Member]
Net sales	447	486
Cost of products sold, excluding depreciation and amortization	363	387
Depreciation and amortization	8	8
Selling and administrative expense	35	42
Restructuring and other	4
Income from operations	37	49
Net interest expense	22	23
Technology royalty	(9)	(9)
Income before income taxes	24	35
Provision for income taxes	14	23
Equity earnings / (loss) in affiliates	45	18
Net income	55	30
Net income attributable to Crown Holdings	55	30
Comprehensive income	145	(78)
Comprehensive income attributable to Crown Holdings	145	(78)
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Non-Guarantors [Member]
Net sales	1,446	1,511
Cost of products sold, excluding depreciation and amortization	1,158	1,273
Depreciation and amortization	52	43
Selling and administrative expense	53	54
Restructuring and other	(2)	20
Income from operations	185	121
Net interest expense	19	20
Technology royalty	9	9
Foreign exchange	(6)	6
Income before income taxes	163	86
Provision for income taxes	44	22
Net income	119	64
Net income attributable to noncontrolling interests	(20)	(18)
Net income attributable to Crown Holdings	99	46
Comprehensive income	172	(142)
Comprehensive income attributable to noncontrolling interests	(21)	(16)
Comprehensive income attributable to Crown Holdings	151	(158)
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Eliminations [Member]
Foreign exchange	(32)
Income before income taxes	32
Provision for income taxes	11
Equity earnings / (loss) in affiliates	(188)	(112)
Net income	(167)	(112)
Net income attributable to Crown Holdings	(167)	(112)
Comprehensive income	(312)	196
Comprehensive income attributable to Crown Holdings	$ (312)	$ 196