Employee Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2018

Employee Benefit Obligations

Schedule of employee benefit obligations

	June 30,		December 31,
($in millions)	2018		2017
Underfunded defined benefit pension liabilities	$	945	$	945
Less: Current portion		(26)		(27)
Long-term defined benefit pension liabilities		919		918
Long-term retiree medical liabilities		195		196
Deferred compensation plans		264		275
Other		74		74
	$	1,452	$	1,463

Components of net periodic benefit cost

	Three Months Ended June 30,
	2018						2017
($ in millions)	U.S.		Foreign		Total		U.S.		Foreign		Total
Ball-sponsored plans:
Service cost	$	14	$	4	$	18	$	12	$	4	$	16
Interest cost		24		18		42		33		22		55
Expected return on plan assets		(28)		(27)		(55)		(33)		(26)		(59)
Amortization of prior service cost		1		—		1		1		—		1
Recognized net actuarial loss		9		1		10		8		1		9
Net periodic benefit cost for Ball sponsored plans		20		(4)		16		21		1		22
Net periodic benefit cost for multi-employer plans		1		—		1		1		—		1
Total net periodic benefit cost	$	21	$	(4)	$	17	$	22	$	1	$	23

	Six Months Ended June 30,
	2018						2017
($ in millions)	U.S.		Foreign		Total		U.S.		Foreign		Total
Ball-sponsored plans:
Service cost	$	27	$	8	$	35	$	24	$	8	$	32
Interest cost		48		36		84		66		44		110
Expected return on plan assets		(55)		(54)		(109)		(66)		(52)		(118)
Amortization of prior service cost		1		—		1		1		—		1
Recognized net actuarial loss		19		2		21		17		2		19
Net periodic benefit cost for Ball sponsored plans		40		(8)		32		42		2		44
Net periodic benefit cost for multi-employer plans		1		—		1		2		—		2
Total net periodic benefit cost	$	41	$	(8)	$	33	$	44	$	2	$	46