Defined Benefit Postretirement Plans (Tables)

6 Months Ended

Jun. 30, 2014

Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The following summarizes the components of net periodic benefit cost:

	Three Months Ended June 30,
	Pension Benefits						Other Benefits
(In millions)	2014			2013			2014			2013
Service cost	$	11		$	13		$	1		$	1
Interest cost	15			16			3			3
Expected return on plan assets	(14		)	(16		)	—			—
Amortization:
– prior service cost (credit)	2			1			(1		)	(1		)
– actuarial loss	10			16			—			—
Net settlement loss(a)	8			17			—			—
Net periodic benefit cost	$	32		$	47		$	3		$	3

	Six Months Ended June 30,
	Pension Benefits						Other Benefits
(In millions)	2014			2013			2014			2013
Service cost	$	23		$	26		$	2		$	2
Interest cost	31			31			6			6
Expected return on plan assets	(32		)	(33		)	—			—
Amortization:
– prior service cost (credit)	3			3			(2		)	(3		)
– actuarial loss	16			29			—			—
Net settlement loss(a)	71			17			—			—
Net periodic benefit cost	$	112		$	73		$	6		$	5

^(a)   Settlements are recognized as they occur, once it is probable that lump sum payments from a plan for a given year will exceed the plan's total service and interest cost for that year.