(7) The Company has several defined benefit pension plans and defined postretirement health care and life insurance plans covering its U.S. employees and employees in certain foreign countries.

The worldwide components of net periodic pension cost consisted of the following in millions of dollars:


	Three Months Ended				Nine Months Ended
	July 30		July 31		July 30		July 31
	2017		2016		2017		2016
Service cost	$	68	$	64	$	203	$	190
Interest cost		90		98		270		293
Expected return on plan assets		(197)		(194)		(591)		(581)
Amortization of actuarial loss		61		51		182		155
Amortization of prior service cost		3		4		9		12
Settlements/curtailments		1		1		2		10
Net cost	$	26	$	24	$	75	$	79

The worldwide components of net periodic postretirement benefits cost (health care and life insurance) consisted of the following in millions of dollars:


	Three Months Ended				Nine Months Ended
	July 30		July 31		July 30		July 31
	2017		2016		2017		2016
Service cost	$	11	$	9	$	32	$	28
Interest cost		48		51		146		153
Expected return on plan assets		(4)		(8)		(13)		(26)
Amortization of actuarial loss		25		18		74		55
Amortization of prior service credit		(20)		(19)		(58)		(58)
Net cost	$	60	$	51	$	181	$	152

During the first nine months of 2017, the Company contributed approximately $50 million to its pension plans and $44 million to its other postretirement benefit plans. The Company presently anticipates contributing an additional $12 million to its pension plans and $8 million to its other postretirement benefit plans during the remainder of fiscal year 2017. These contributions include payments from Company funds to either increase plan assets or make direct payments to plan participants.