Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Components of Net Periodic Benefit Cost

The Company’s net periodic benefit cost includes the following components (in millions):

	Pension Benefits				Other Postretirement Benefits
	Three Months Ended March 31,				Three Months Ended March 31,
	2016		2015		2016		2015
Service cost	$	28	$	31	$	4	$	5
Interest cost		51		50		22		20
Expected return on plan assets		(54)		(49)		—		—
Amortization of unrecognized (gain) loss and prior service cost (credit)		18		22		(13)		(13)
Settlement loss		1		1		—		—
Total	$	44	$	55	$	13	$	12

Share-Based Compensation Expense

The table below presents information related to share-based compensation (in millions):

	Three Months Ended March 31,
	2016		2015
Share-based compensation expense	$	10	$	17
	March 31, 2016		December 31, 2015
Unrecognized share-based compensation	$	93	$	41