Employee Benefit Obligations (Tables)

3 Months Ended

Mar. 31, 2021

Employee Benefit Obligations

Schedule of employee benefit obligations

	March 31,		December 31,
($ in millions)	2021		2020
Underfunded defined benefit pension liabilities	$	809	$	955
Less: Current portion		(23)		(24)
Long-term defined benefit pension liabilities		786		931
Long-term retiree medical liabilities		152		156
Deferred compensation plans		399		439
Other		58		87
	$	1,395	$	1,613

Components of net periodic benefit cost

	Three Months Ended March 31,
	2021						2020
($ in millions)	U.S.		Non-U.S.		Total		U.S.		Non-U.S.		Total
Ball-sponsored plans:
Service cost	$	21	$	3	$	24	$	16	$	4	$	20
Interest cost		13		9		22		20		14		34
Expected return on plan assets		(31)		(16)		(47)		(31)		(21)		(52)
Amortization of prior service cost		—		1		1		—		1		1
Recognized net actuarial loss		13		1		14		10		1		11
Total net periodic benefit cost	$	16	$	(2)	$	14	$	15	$	(1)	$	14