Employee Benefit Obligations (Tables)

3 Months Ended

Mar. 31, 2019

Employee Benefit Obligations

Schedule of employee benefit obligations

	March 31,		December 31,
($in millions)	2019		2018
Underfunded defined benefit pension liabilities	$	973	$	954
Less: Current portion		(24)		(25)
Long-term defined benefit pension liabilities		949		929
Long-term retiree medical liabilities		163		157
Deferred compensation plans		329		291
Other		38		78
	$	1,479	$	1,455

Components of net periodic benefit cost

	Three Months Ended March 31,
	2019						2018
($ in millions)	U.S.		Foreign		Total		U.S.		Foreign		Total
Ball-sponsored plans:
Service cost	$	12	$	3	$	15	$	13	$	4	$	17
Interest cost		25		18		43		24		18		42
Expected return on plan assets		(28)		(28)		(56)		(27)		(27)		(54)
Amortization of prior service cost		—		1		1		—		—		—
Recognized net actuarial loss		6		1		7		10		1		11
Total net periodic benefit cost	$	15	$	(5)	$	10	$	20	$	(4)	$	16