Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 3,510	$ 2,856	$ 6,672	$ 5,420
Cost of products sold, excluding depreciation and amortization	2,861	2,244	5,408	4,226
Depreciation and amortization	116	111	231	223
Selling and administrative expense	140	147	297	290
Restructuring and other	(73)	(31)	(74)	(31)
Income from operations	466	385	810	712
Other pension and postretirement	(4)	(2)	(8)	(3)
Interest expense	64	68	118	137
Interest income	(3)	(1)	(6)	(3)
Foreign exchange	7	1	(3)	(1)
Income from continuing operations before taxes and equity in net earnings of affiliates	402	319	709	582
Provision for income taxes	85	146	163	211
Equity in net earnings of affiliates	12	3	29	5
Net income from continuing operations	329	176	575	376
Net income / (loss) from discontinued operations	0	(3)	0	42
Net income	329	173	575	418
Net income from continuing operations attributable to noncontrolling interests	34	45	64	78
Net income from discontinued operations attributable to noncontrolling interests	0	0	0	1
Net income from continuing operations attributable to Crown Holdings	295	131	511	298
Net income / (loss) from discontinued operations attributable to Crown Holdings	0	(3)	0	41
Net income attributable to Crown Holdings	$ 295	$ 128	$ 511	$ 339
Earnings per common share attributable to Crown Holdings:
Basic earnings per common share from continuing operations (in dollars per share)	$ 2.44	$ 0.98	$ 4.18	$ 2.23
Basic earnings / (loss) per common share from discontinued operations (in dollars per share)	0	(0.02)	0	0.31
Basic (in dollars per share)	2.44	0.96	4.18	2.54
Diluted earnings per common share from continuing operations (in dollars per share)	2.43	0.97	4.15	2.22
Diluted earnings / (loss) per common share from discontinued operations (in dollars per share)	0	(0.02)	0	0.30
Diluted (in dollars per share)	$ 2.43	$ 0.95	$ 4.15	$ 2.52