Divestitures - Major Components of Net (Loss)/Income from Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net (loss) / income from discontinued operations	$ 0	$ (52)	$ 156
Net income from discontinued operations attributable to noncontrolling interests	0	1	1
Net (loss) / income from discontinued operations attributable to Crown Holdings	0	(53)	155
Capital expenditures	839	787	554
European Tinplate | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	1,585	2,183
Cost of products sold, excluding depreciation and amortization	1,301	1,823
Depreciation and amortization	16	59
Selling and administrative expense	60	81
Restructuring and other	2	4
Other pension and postretirement	1	2
Interest expense	6	10
Foreign exchange	0	3
Loss on sale of discontinued businesses	101	0
Transaction costs	34	0
Income from discontinued operations before tax	64	201
Provision for income taxes	116	45
Net (loss) / income from discontinued operations	(52)	156
Net income from discontinued operations attributable to noncontrolling interests	1	1
Net (loss) / income from discontinued operations attributable to Crown Holdings	$ (53)	155
Capital expenditures		$ 29	$ 33