POSTRETIREMENT PLANS (Tables)

6 Months Ended

Jun. 25, 2017

Pretax Net Periodic Benefit Cost

Our pretax net periodic benefit cost related to our qualified defined benefit pension plans and retiree medical and life insurance plans consisted of the following (in millions):

	Quarters Ended				Six Months Ended
	June 25, 2017		June 26,  2016		June 25, 2017		June 26,  2016
Qualified defined benefit pension plans
Service cost	$	205	$	204	$	410	$	407
Interest cost		453		466		905		931
Expected return on plan assets		(602)		(666)		(1,204)		(1,333)
Recognized net actuarial losses		377		339		753		679
Amortization of prior service credits		(90)		(92)		(176)		(182)
Total net periodic benefit cost	$	343	$	251	$	688	$	502
Retiree medical and life insurance plans
Service cost	$	5	$	6	$	10	$	12
Interest cost		25		29		51		59
Expected return on plan assets		(32)		(35)		(64)		(69)
Recognized net actuarial losses		5		9		10		17
Amortization of prior service costs		4		6		7		11
Total net periodic benefit cost	$	7	$	15	$	14	$	30