Consolidated Statements of Comprehensive Earnings (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Consolidated Statements of Comprehensive Earnings (Loss)
Net earnings	$ 202	$ 92	$ 402	$ 115
Other comprehensive earnings (loss):
Foreign currency translation adjustment	48	62	36	(162)
Pension and other postretirement benefits	8	(3)	49	(11)
Derivatives designated as hedges	60	11	106	19
Total other comprehensive earnings (loss)	116	70	191	(154)
Income tax (provision) benefit	(16)	1	(34)	(4)
Total other comprehensive earnings (loss), net of tax	100	71	157	(158)
Total comprehensive earnings (loss)	302	163	559	(43)
Comprehensive (earnings) loss attributable to noncontrolling interests		2		2
Comprehensive earnings (loss) attributable to Ball Corporation	$ 302	$ 165	$ 559	$ (41)