Post-Employment Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Post-Employment Benefits

Net cost for the entity's major defined benefit plans and post-employment medical and dental benefit plans

	Defined Benefit Plans						Medical and Dental Plans
(in millions)	March 31, 2015			March 31, 2014			March 31, 2015			March 31, 2014
Service cost - benefits earned during the period	$	82		$	66		$	9		$	9
Interest cost on projected benefit obligations	79			77			15			16
Expected return on plan assets	(129		)	(113		)	(10		)	(10		)
Net amortization of:
Actuarial loss, net	47			25			9			5
Prior service cost (credit)	—			1			(12		)	(9		)
Total cost	79			56			11			11
Less: Discontinued operations	1			4			—			—
Net cost — continuing operations	$	78		$	52		$	11		$	11