Employee Benefit Obligations (Tables)

3 Months Ended

Mar. 31, 2020

Employee Benefit Obligations

Schedule of employee benefit obligations

	March 31,		December 31,
($ in millions)	2020		2019
Underfunded defined benefit pension liabilities	$	929	$	918
Less: Current portion		(24)		(24)
Long-term defined benefit pension liabilities		905		894
Long-term retiree medical liabilities		164		156
Deferred compensation plans		333		362
Other		33		74
	$	1,435	$	1,486

Components of net periodic benefit cost

	Three Months Ended March 31,
	2020						2019
($ in millions)	U.S.		Foreign		Total		U.S.		Foreign		Total
Ball-sponsored plans:
Service cost	$	16	$	4	$	20	$	12	$	3	$	15
Interest cost		20		14		34		25		18		43
Expected return on plan assets		(31)		(21)		(52)		(28)		(28)		(56)
Amortization of prior service cost		—		1		1		—		1		1
Recognized net actuarial loss		10		1		11		6		1		7
Total net periodic benefit cost	$	15	$	(1)	$	14	$	15	$	(5)	$	10