Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 12,010	$ 12,943	$ 11,394
Cost of products sold, excluding depreciation and amortization	9,546	10,643	9,029
Depreciation and amortization	499	460	447
Selling and administrative expense	582	556	583
Restructuring and other, net	114	(52)	(28)
Income from operations	1,269	1,336	1,363
Loss from early extinguishments of debt	1	11	68
Other pension and postretirement	49	(16)	1,515
Interest expense	436	284	253
Interest income	(53)	(15)	(9)
Foreign exchange	41	16	(45)
Income / (loss) from continuing operations before income taxes and equity in net earnings of affiliates	795	1,056	(419)
Provision for / (benefit from) income taxes	222	243	(57)
Equity in net earnings of affiliates	14	42	3
Net income / (loss) from continuing operations	587	855	(359)
Net income/ (loss) from discontinued operations	0	0	(52)
Net income / (loss)	587	855	(411)
Net income from continuing operations attributable to noncontrolling interests	137	128	148
Net income from discontinued operations attributable to noncontrolling interests	0	0	1
Net income / (loss) attributable to Crown Holdings	450	727	(560)
Net income / (loss) from continuing operations attributable to Crown Holdings	450	727	(507)
Net income / (loss) from discontinued operations attributable to Crown Holdings	$ 0	$ 0	$ (53)
Earnings per common share attributable to Crown Holdings:
Basic earnings / (loss) per common share from continuing operations (in dollars per share)	$ 3.77	$ 6.01	$ (3.89)
Basic earnings / (loss) per common share from discontinued operations (in dollars per share)	0	0	(0.41)
Basic (in dollars per share)	3.77	6.01	(4.30)
Diluted earnings / (loss) per common share from continuing operations (in dollars per share)	3.76	5.99	(3.89)
Diluted earnings / (loss) per common share from discontinued operations (in dollars per share)	0	0	(0.41)
Diluted (in dollars per share)	$ 3.76	$ 5.99	$ (4.30)