Consolidated Statements of Comprehensive Earnings (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Consolidated Statements of Comprehensive Earnings (Loss)
Net earnings	$ 200	$ 23
Other comprehensive earnings (loss):
Foreign currency translation adjustment	(12)	(224)
Pension and other postretirement benefits	41	(8)
Derivatives designated as hedges	46	8
Total other comprehensive earnings (loss)	75	(224)
Income tax (provision) benefit	(18)	(5)
Total other comprehensive earnings (loss), net of tax	57	(229)
Total comprehensive earnings (loss)	257	(206)
Comprehensive earnings (loss) attributable to Ball Corporation	$ 257	$ (206)