Condensed Combining Financial Information (Condensed Combining Statement of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net sales	$ 2,326	$ 2,460	$ 6,361	$ 6,735
Cost of products sold, excluding depreciation and amortization	1,838	1,984	5,050	5,487
Depreciation and amortization	63	61	188	174
Selling and administrative expense	90	94	275	291
Restructuring and other	20	40	19	57
Income from operations	315	281	829	726
Loss from early extinguishments of debt	10	0	37	9
Foreign exchange	(5)	9	(22)	14
Income before income taxes	254	208	641	509
Provision for income taxes	48	48	151	134
Net income	206	160	490	375
Net income attributable to noncontrolling interests	(23)	(19)	(59)	(48)
Net income attributable to Crown Holdings	183	141	431	327
Comprehensive income	165	25	371	46
Comprehensive income attributable to Crown Holdings	143	9	310	3
Crown Cork & Seal Company Inc [Member]
Net sales	2,326	2,460	6,361	6,735
Cost of products sold, excluding depreciation and amortization	1,838	1,984	5,050	5,487
Depreciation and amortization	63	61	188	174
Selling and administrative expense	90	94	275	291
Restructuring and other	20	40	19	57
Income from operations	315	281	829	726
Loss from early extinguishments of debt	10		37	9
Net interest expense	56	64	173	194
Foreign exchange	(5)	9	(22)	14
Income before income taxes	254	208	641	509
Provision for income taxes	48	48	151	134
Equity earnings / (loss) in affiliates	0	0	0	0
Net income	206	160	490	375
Net income attributable to noncontrolling interests	(23)	(19)	(59)	(48)
Net income attributable to Crown Holdings	183	141	431	327
Comprehensive income	165	25	371	46
Comprehensive income attributable to noncontrolling interests	(22)	(16)	(61)	(43)
Comprehensive income attributable to Crown Holdings	143	9	310	3
Crown Cork & Seal Company Inc [Member] | Parent [Member]
Equity earnings / (loss) in affiliates	183	141	431	327
Net income	183	141	431	327
Net income attributable to Crown Holdings	183	141	431	327
Comprehensive income	143	9	310	3
Comprehensive income attributable to Crown Holdings	143	9	310	3
Crown Cork & Seal Company Inc [Member] | Issuer [Member]
Selling and administrative expense	3	3	8	8
Restructuring and other	9		12
Income from operations	(12)	(3)	(20)	(8)
Loss from early extinguishments of debt
Net interest expense	27	25	79	76
Foreign exchange
Income before income taxes	(39)	(28)	(99)	(84)
Provision for income taxes	(19)	(15)	(42)	(24)
Equity earnings / (loss) in affiliates	180	110	403	298
Net income	160	97	346	238
Net income attributable to Crown Holdings	160	97	346	238
Comprehensive income	113	35	299	73
Comprehensive income attributable to Crown Holdings	113	35	299	73
Crown Cork & Seal Company Inc [Member] | Non-Guarantors [Member]
Net sales	2,326	2,460	6,361	6,735
Cost of products sold, excluding depreciation and amortization	1,838	1,984	5,050	5,487
Depreciation and amortization	63	61	188	174
Selling and administrative expense	87	91	267	283
Restructuring and other	11	40	7	57
Income from operations	327	284	849	734
Loss from early extinguishments of debt	10		37	9
Net interest expense	29	39	94	118
Foreign exchange	(5)	9	(22)	14
Income before income taxes	293	236	740	593
Provision for income taxes	67	63	193	158
Net income	226	173	547	435
Net income attributable to noncontrolling interests	(23)	(19)	(59)	(48)
Net income attributable to Crown Holdings	203	154	488	387
Comprehensive income	165	38	428	106
Comprehensive income attributable to noncontrolling interests	(22)	(16)	(61)	(43)
Comprehensive income attributable to Crown Holdings	143	22	367	63
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Net sales	2,326	2,460	6,361	6,735
Cost of products sold, excluding depreciation and amortization	1,838	1,984	5,050	5,487
Depreciation and amortization	63	61	188	174
Selling and administrative expense	90	94	275	291
Restructuring and other	20	40	19	57
Income from operations	315	281	829	726
Loss from early extinguishments of debt	10		37	9
Net interest expense	56	64	173	194
Technology royalty			0	0
Foreign exchange	(5)	9	(22)	14
Income before income taxes	254	208	641	509
Provision for income taxes	48	48	151	134
Equity earnings / (loss) in affiliates	0	0	0	0
Net income	206	160	490	375
Net income attributable to noncontrolling interests	(23)	(19)	(59)	(48)
Net income attributable to Crown Holdings	183	141	431	327
Comprehensive income	165	25	371	46
Comprehensive income attributable to noncontrolling interests	(22)	(16)	(61)	(43)
Comprehensive income attributable to Crown Holdings	143	9	310	3
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Parent [Member]
Equity earnings / (loss) in affiliates	183	141	431	327
Net income	183	141	431	327
Net income attributable to Crown Holdings	183	141	431	327
Comprehensive income	143	9	310	3
Comprehensive income attributable to Crown Holdings	143	9	310	3
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Issuer [Member]
Selling and administrative expense	2	2	7	7
Restructuring and other			(5)
Income from operations	(2)	(2)	(2)	(7)
Loss from early extinguishments of debt	5		32	9
Net interest expense	15	23	50	67
Foreign exchange	9	3	24	11
Income before income taxes	(31)	(28)	(108)	(94)
Provision for income taxes	(12)	(11)	(41)	(36)
Equity earnings / (loss) in affiliates	68	70	165	158
Net income	49	53	98	100
Net income attributable to Crown Holdings	49	53	98	100
Comprehensive income	33	48	88	101
Comprehensive income attributable to Crown Holdings	33	48	88	101
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Guarantors [Member]
Net sales	513	527	1,468	1,555
Cost of products sold, excluding depreciation and amortization	404	415	1,174	1,235
Depreciation and amortization	9	8	25	24
Selling and administrative expense	34	37	102	115
Restructuring and other	10	3	14	5
Income from operations	56	64	153	176
Net interest expense	22	23	65	69
Technology royalty	(13)	(13)	(32)	(32)
Income before income taxes	47	54	120	139
Provision for income taxes	13	15	42	61
Equity earnings / (loss) in affiliates	126	58	268	160
Net income	160	97	346	238
Net income attributable to Crown Holdings	160	97	346	238
Comprehensive income	113	35	299	73
Comprehensive income attributable to Crown Holdings	113	35	299	73
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Non-Guarantors [Member]
Net sales	1,813	1,933	4,893	5,180
Cost of products sold, excluding depreciation and amortization	1,434	1,569	3,876	4,252
Depreciation and amortization	54	53	163	150
Selling and administrative expense	54	55	166	169
Restructuring and other	10	37	10	52
Income from operations	261	219	678	557
Loss from early extinguishments of debt	5		5
Net interest expense	19	18	58	58
Technology royalty	13	13	32	32
Foreign exchange	(5)	9	(22)	14
Income before income taxes	229	179	605	453
Provision for income taxes	44	43	142	105
Net income	185	136	463	348
Net income attributable to noncontrolling interests	(23)	(19)	(59)	(48)
Net income attributable to Crown Holdings	162	117	404	300
Comprehensive income	169	(25)	378	(5)
Comprehensive income attributable to noncontrolling interests	(22)	(16)	(61)	(43)
Comprehensive income attributable to Crown Holdings	147	(41)	317	(48)
Eliminations [Member] | Crown Cork & Seal Company Inc [Member]
Equity earnings / (loss) in affiliates	(363)	(251)	(834)	(625)
Net income	(363)	(251)	(834)	(625)
Net income attributable to Crown Holdings	(363)	(251)	(834)	(625)
Comprehensive income	(256)	(57)	(666)	(136)
Comprehensive income attributable to Crown Holdings	(256)	(57)	(666)	(136)
Eliminations [Member] | Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Foreign exchange	(9)	(3)	(24)	(11)
Income before income taxes	9	3	24	11
Provision for income taxes	3	1	8	4
Equity earnings / (loss) in affiliates	(377)	(269)	(864)	(645)
Net income	(371)	(267)	(848)	(638)
Net income attributable to Crown Holdings	(371)	(267)	(848)	(638)
Comprehensive income	(293)	(42)	(704)	(126)
Comprehensive income attributable to Crown Holdings	$ (293)	$ (42)	$ (704)	$ (126)