Condensed Combining Financial Information (Condensed Combining Balance Sheet) (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Cash and cash equivalents	$ 370	$ 717	$ 288	$ 965
Receivables, net	929	912
Inventories	1,419	1,213
Prepaid expenses and other current assets	240	207
Total current assets	2,958	3,049
Goodwill and intangible assets, net	3,472	3,580
Property, plant and equipment, net	2,700	2,699
Other non-current assets	646	692
Total	9,776	10,020
Short-term debt	37	54
Current maturities of long-term debt	236	209
Accounts payable and accrued liabilities	2,554	2,645
Total current liabilities	2,827	2,908
Long-term debt, excluding current maturities	5,011	5,255
Postretirement and pension liabilities	672	767
Other non-current liabilities	643	655
Commitments and contingent liabilities
Noncontrolling interests	305	291
Crown Holdings shareholders’ equity/(deficit)	318	144
Total equity/(deficit)	623	435	404	387
Total	9,776	10,020
Crown Cork & Seal Company Inc [Member]
Cash and cash equivalents	370	717	288	965
Receivables, net	929	912
Inventories	1,419	1,213
Prepaid expenses and other current assets	240	207
Total current assets	2,958	3,049
Goodwill and intangible assets, net	3,472	3,580
Property, plant and equipment, net	2,700	2,699
Other non-current assets	646	692
Total	9,776	10,020
Short-term debt	37	54
Current maturities of long-term debt	236	209
Accounts payable and accrued liabilities	2,554	2,645
Total current liabilities	2,827	2,908
Long-term debt, excluding current maturities	5,011	5,255
Long-term intercompany debt	0
Postretirement and pension liabilities	672	767
Other non-current liabilities	643	655
Commitments and contingent liabilities
Noncontrolling interests	305	291
Crown Holdings shareholders’ equity/(deficit)	318	144
Total equity/(deficit)	623	435
Total	9,776	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	2,955	2,937
Total	2,956	2,937
Accounts payable and accrued liabilities	12	24
Total current liabilities	12	24
Long-term intercompany debt	2,626	2,769
Crown Holdings shareholders’ equity/(deficit)	318	144
Total equity/(deficit)	318	144
Total	2,956	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	2,708	2,490
Other non-current assets	430	430
Total	3,138	2,922
Accounts payable and accrued liabilities	35	41
Total current liabilities	35	41
Long-term debt, excluding current maturities	391	391
Long-term intercompany debt	937	885
Other non-current liabilities	292	309
Crown Holdings shareholders’ equity/(deficit)	1,483	1,296
Total equity/(deficit)	1,483	1,296
Total	3,138	2,922
Crown Cork & Seal Company Inc [Member] | Non-Guarantors [Member]
Cash and cash equivalents	370	717	288	965
Receivables, net	929	912
Inventories	1,419	1,213
Prepaid expenses and other current assets	239	205
Total current assets	2,957	3,047
Intercompany debt receivables	3,563	3,654
Goodwill and intangible assets, net	3,472	3,580
Property, plant and equipment, net	2,700	2,699
Other non-current assets	216	262
Total	12,908	13,242
Short-term debt	37	54
Current maturities of long-term debt	236	209
Accounts payable and accrued liabilities	2,507	2,580
Total current liabilities	2,780	2,843
Long-term debt, excluding current maturities	4,620	4,864
Postretirement and pension liabilities	672	767
Other non-current liabilities	351	346
Noncontrolling interests	305	291
Crown Holdings shareholders’ equity/(deficit)	4,180	4,131
Total equity/(deficit)	4,485	4,422
Total	12,908	13,242
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member]
Cash and cash equivalents	370	717	288	965
Receivables, net	929	912
Intercompany receivables		0
Inventories	1,419	1,213
Prepaid expenses and other current assets	240	207
Total current assets	2,958	3,049
Intercompany debt receivables		0
Investments		0
Goodwill and intangible assets, net	3,472	3,580
Property, plant and equipment, net	2,700	2,699
Other non-current assets	646	692
Total	9,776	10,020
Short-term debt	37	54
Current maturities of long-term debt	236	209
Accounts payable and accrued liabilities	2,554	2,645
Total current liabilities	2,827	2,908
Long-term debt, excluding current maturities	5,011	5,255
Long-term intercompany debt		0
Postretirement and pension liabilities	672	767
Other non-current liabilities	643	655
Commitments and contingent liabilities
Noncontrolling interests	305	291
Crown Holdings shareholders’ equity/(deficit)	318	144
Total equity/(deficit)	623	435
Total	9,776	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	2,955	2,937
Total	2,956	2,937
Accounts payable and accrued liabilities	12	24
Total current liabilities	12	24
Long-term intercompany debt	2,626	2,769
Crown Holdings shareholders’ equity/(deficit)	318	144
Total equity/(deficit)	318	144
Total	2,956	2,937
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Issuer [Member]
Cash and cash equivalents	69	104	57	128
Receivables, net	4
Prepaid expenses and other current assets	1	2
Total current assets	74	106
Intercompany debt receivables	2,800	3,111
Investments	2,293	2,199
Property, plant and equipment, net	1	1
Other non-current assets	5	6
Total	5,173	5,423
Current maturities of long-term debt	122	90
Accounts payable and accrued liabilities	29	47
Total current liabilities	151	137
Long-term debt, excluding current maturities	2,410	2,759
Long-term intercompany debt	1,298	1,268
Crown Holdings shareholders’ equity/(deficit)	1,314	1,259
Total equity/(deficit)	1,314	1,259
Total	5,173	5,423
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Guarantors [Member]
Cash and cash equivalents	0
Receivables, net	9	23
Intercompany receivables	19	30
Inventories	316	291
Prepaid expenses and other current assets	10	7
Total current assets	354	351
Intercompany debt receivables	3,401	3,471
Investments	787	804
Goodwill and intangible assets, net	469	471
Property, plant and equipment, net	415	390
Other non-current assets	445	457
Total	5,871	5,944
Accounts payable and accrued liabilities	578	526
Intercompany payables	8	2
Total current liabilities	586	528
Long-term debt, excluding current maturities	391	391
Long-term intercompany debt	2,769	3,041
Postretirement and pension liabilities	341	377
Other non-current liabilities	301	311
Crown Holdings shareholders’ equity/(deficit)	1,483	1,296
Total equity/(deficit)	1,483	1,296
Total	5,871	5,944
Crown Americas, LLC, Crown Americas Capital Corp. And Crown Americas Capital Corp. II [Member] | Non-Guarantors [Member]
Cash and cash equivalents	301	613	231	$ 837
Receivables, net	916	889
Intercompany receivables	8	2
Inventories	1,103	922
Prepaid expenses and other current assets	228	198
Total current assets	2,556	2,624
Intercompany debt receivables	682	681
Goodwill and intangible assets, net	3,003	3,109
Property, plant and equipment, net	2,284	2,308
Other non-current assets	196	229
Total	8,721	8,951
Short-term debt	37	54
Current maturities of long-term debt	114	119
Accounts payable and accrued liabilities	1,935	2,048
Intercompany payables	19	30
Total current liabilities	2,105	2,251
Long-term debt, excluding current maturities	2,210	2,105
Long-term intercompany debt	190	185
Postretirement and pension liabilities	331	390
Other non-current liabilities	342	344
Noncontrolling interests	305	291
Crown Holdings shareholders’ equity/(deficit)	3,238	3,385
Total equity/(deficit)	3,543	3,676
Total	8,721	8,951
Eliminations [Member] | Crown Cork & Seal Company Inc [Member]
Cash and cash equivalents	0		0
Intercompany debt receivables	(3,563)	(3,654)
Investments	(5,663)	(5,427)
Total	(9,226)	(9,081)
Long-term intercompany debt	(3,563)	(3,654)
Crown Holdings shareholders’ equity/(deficit)	(5,663)	(5,427)
Total equity/(deficit)	(5,663)	(5,427)
Total	(9,226)	(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	(27)	(32)
Total current assets	(27)	(32)
Intercompany debt receivables	(6,883)	(7,263)
Investments	(6,035)	(5,940)
Total	(12,945)	(13,235)
Intercompany payables	(27)	(32)
Total current liabilities	(27)	(32)
Long-term intercompany debt	(6,883)	(7,263)
Crown Holdings shareholders’ equity/(deficit)	(6,035)	(5,940)
Total equity/(deficit)	(6,035)	(5,940)
Total	$ (12,945)	$ (13,235)