Condensed Combining Financial Information (Condensed Combining Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Cash and cash equivalents	$ 526	$ 717	$ 466	$ 965
Receivables, net	1,047	912
Inventories	1,300	1,213
Prepaid expenses and other current assets	217	207
Total current assets	3,090	3,049
Goodwill and intangible assets, net	3,450	3,580
Property, plant and equipment, net	2,746	2,699
Other non-current assets	677	692
Total	9,963	10,020
Short-term debt	49	54
Current maturities of long-term debt	121	209
Accounts payable and accrued liabilities	2,627	2,645
Total current liabilities	2,797	2,908
Long-term debt, excluding current maturities	5,097	5,255
Postretirement and pension liabilities	638	767
Other non-current liabilities	652	655
Commitments and contingent liabilities
Noncontrolling interests	310	291
Crown Holdings shareholders’ equity/(deficit)	469	144
Total equity/(deficit)	779	435	433	387
Total	9,963	10,020
Crown Cork & Seal Company Inc [Member]
Cash and cash equivalents	526	717	466	965
Receivables, net	1,047	912
Inventories	1,300	1,213
Prepaid expenses and other current assets	217	207
Total current assets	3,090	3,049
Goodwill and intangible assets, net	3,450	3,580
Property, plant and equipment, net	2,746	2,699
Other non-current assets	677	692
Total	9,963	10,020
Short-term debt	49	54
Current maturities of long-term debt	121	209
Accounts payable and accrued liabilities	2,627	2,645
Total current liabilities	2,797	2,908
Long-term debt, excluding current maturities	5,097	5,255
Long-term intercompany debt	0
Postretirement and pension liabilities	638	767
Other non-current liabilities	652	655
Commitments and contingent liabilities
Noncontrolling interests	310	291
Crown Holdings shareholders’ equity/(deficit)	469	144
Total equity/(deficit)	779	435
Total	9,963	10,020
Crown Cork & Seal Company Inc [Member] | Parent [Member]
Cash and cash equivalents	0		0
Prepaid expenses and other current assets	1
Total current assets	1
Investments	3,098	2,937
Total	3,099	2,937
Accounts payable and accrued liabilities	17	24
Total current liabilities	17	24
Long-term intercompany debt	2,613	2,769
Crown Holdings shareholders’ equity/(deficit)	469	144
Total equity/(deficit)	469	144
Total	3,099	2,937
Crown Cork & Seal Company Inc [Member] | Issuer [Member]
Cash and cash equivalents	0		0
Prepaid expenses and other current assets		2
Total current assets		2
Investments	2,835	2,490
Other non-current assets	427	430
Total	3,262	2,922
Accounts payable and accrued liabilities	40	41
Total current liabilities	40	41
Long-term debt, excluding current maturities	392	391
Long-term intercompany debt	970	885
Other non-current liabilities	265	309
Crown Holdings shareholders’ equity/(deficit)	1,595	1,296
Total equity/(deficit)	1,595	1,296
Total	3,262	2,922
Crown Cork & Seal Company Inc [Member] | Non-Guarantors [Member]
Cash and cash equivalents	526	717	466	965
Receivables, net	1,047	912
Inventories	1,300	1,213
Prepaid expenses and other current assets	216	205
Total current assets	3,089	3,047
Intercompany debt receivables	3,583	3,654
Goodwill and intangible assets, net	3,450	3,580
Property, plant and equipment, net	2,746	2,699
Other non-current assets	250	262
Total	13,118	13,242
Short-term debt	49	54
Current maturities of long-term debt	121	209
Accounts payable and accrued liabilities	2,570	2,580
Total current liabilities	2,740	2,843
Long-term debt, excluding current maturities	4,705	4,864
Postretirement and pension liabilities	638	767
Other non-current liabilities	387	346
Noncontrolling interests	310	291
Crown Holdings shareholders’ equity/(deficit)	4,338	4,131
Total equity/(deficit)	4,648	4,422
Total	13,118	13,242
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Cash and cash equivalents	526	717	466	965
Receivables, net	1,047	912
Intercompany receivables		0
Inventories	1,300	1,213
Prepaid expenses and other current assets	217	207
Total current assets	3,090	3,049
Intercompany debt receivables		0
Investments		0
Goodwill and intangible assets, net	3,450	3,580
Property, plant and equipment, net	2,746	2,699
Other non-current assets	677	692
Total	9,963	10,020
Short-term debt	49	54
Current maturities of long-term debt	121	209
Accounts payable and accrued liabilities	2,627	2,645
Total current liabilities	2,797	2,908
Long-term debt, excluding current maturities	5,097	5,255
Long-term intercompany debt		0
Postretirement and pension liabilities	638	767
Other non-current liabilities	652	655
Commitments and contingent liabilities
Noncontrolling interests	310	291
Crown Holdings shareholders’ equity/(deficit)	469	144
Total equity/(deficit)	779	435
Total	9,963	10,020
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Parent [Member]
Cash and cash equivalents	0		0
Prepaid expenses and other current assets	1
Total current assets	1
Investments	3,098	2,937
Total	3,099	2,937
Accounts payable and accrued liabilities	17	24
Total current liabilities	17	24
Long-term intercompany debt	2,613	2,769
Crown Holdings shareholders’ equity/(deficit)	469	144
Total equity/(deficit)	469	144
Total	3,099	2,937
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Issuer [Member]
Cash and cash equivalents	48	104	32	128
Receivables, net	3
Prepaid expenses and other current assets	2	2
Total current assets	53	106
Intercompany debt receivables	2,815	3,111
Investments	2,335	2,199
Property, plant and equipment, net	1	1
Other non-current assets	3	6
Total	5,207	5,423
Current maturities of long-term debt	80	90
Accounts payable and accrued liabilities	19	47
Total current liabilities	99	137
Long-term debt, excluding current maturities	2,437	2,759
Long-term intercompany debt	1,324	1,268
Crown Holdings shareholders’ equity/(deficit)	1,347	1,259
Total equity/(deficit)	1,347	1,259
Total	5,207	5,423
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Guarantors [Member]
Cash and cash equivalents	1
Receivables, net	11	23
Intercompany receivables	35	30
Inventories	304	291
Prepaid expenses and other current assets	8	7
Total current assets	359	351
Intercompany debt receivables	3,412	3,471
Investments	883	804
Goodwill and intangible assets, net	469	471
Property, plant and equipment, net	450	390
Other non-current assets	450	457
Total	6,023	5,944
Accounts payable and accrued liabilities	596	526
Intercompany payables	6	2
Total current liabilities	602	528
Long-term debt, excluding current maturities	392	391
Long-term intercompany debt	2,795	3,041
Postretirement and pension liabilities	344	377
Other non-current liabilities	295	311
Crown Holdings shareholders’ equity/(deficit)	1,595	1,296
Total equity/(deficit)	1,595	1,296
Total	6,023	5,944
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Non-Guarantors [Member]
Cash and cash equivalents	477	613	434	$ 837
Receivables, net	1,033	889
Intercompany receivables	6	2
Inventories	996	922
Prepaid expenses and other current assets	206	198
Total current assets	2,718	2,624
Intercompany debt receivables	697	681
Goodwill and intangible assets, net	2,981	3,109
Property, plant and equipment, net	2,295	2,308
Other non-current assets	224	229
Total	8,915	8,951
Short-term debt	49	54
Current maturities of long-term debt	41	119
Accounts payable and accrued liabilities	1,995	2,048
Intercompany payables	35	30
Total current liabilities	2,120	2,251
Long-term debt, excluding current maturities	2,268	2,105
Long-term intercompany debt	192	185
Postretirement and pension liabilities	294	390
Other non-current liabilities	357	344
Noncontrolling interests	310	291
Crown Holdings shareholders’ equity/(deficit)	3,374	3,385
Total equity/(deficit)	3,684	3,676
Total	8,915	8,951
Eliminations [Member] | Crown Cork & Seal Company Inc [Member]
Cash and cash equivalents	0		0
Intercompany debt receivables	(3,583)	(3,654)
Investments	(5,933)	(5,427)
Total	(9,516)	(9,081)
Long-term intercompany debt	(3,583)	(3,654)
Crown Holdings shareholders’ equity/(deficit)	(5,933)	(5,427)
Total equity/(deficit)	(5,933)	(5,427)
Total	(9,516)	(9,081)
Eliminations [Member] | Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Cash and cash equivalents	0		$ 0
Intercompany receivables	(41)	(32)
Total current assets	(41)	(32)
Intercompany debt receivables	(6,924)	(7,263)
Investments	(6,316)	(5,940)
Total	(13,281)	(13,235)
Intercompany payables	(41)	(32)
Total current liabilities	(41)	(32)
Long-term intercompany debt	(6,924)	(7,263)
Crown Holdings shareholders’ equity/(deficit)	(6,316)	(5,940)
Total equity/(deficit)	(6,316)	(5,940)
Total	$ (13,281)	$ (13,235)