Employee Benefit Obligations (Tables)

3 Months Ended

Mar. 31, 2018

Employee Benefit Obligations

Schedule of employee benefit obligations

	March 31,		December 31,
($in millions)	2018		2017
Underfunded defined benefit pension liabilities	$	957	$	945
Less: Current portion		(23)		(27)
Long-term defined benefit pension liabilities		934		918
Long-term retiree medical liabilities		198		196
Deferred compensation plans		275		275
Other		77		74
	$	1,484	$	1,463

Components of net periodic benefit cost

	Three Months Ended March 31,
	2018						2017
($ in millions)	U.S.		Foreign		Total		U.S.		Foreign		Total
Ball-sponsored plans:
Service cost	$	13	$	4	$	17	$	12	$	4	$	16
Interest cost		24		18		42		33		22		55
Expected return on plan assets		(27)		(27)		(54)		(33)		(26)		(59)
Recognized net actuarial loss		10		1		11		9		1		10
Net periodic benefit cost for Ball sponsored plans		20		(4)		16		21		1		22
Net periodic benefit cost for multi-employer plans		—		—		—		1		—		1
Total net periodic benefit cost	$	20	$	(4)	$	16	$	22	$	1	$	23