Employee Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures

The following summarizes the components of net periodic costs for our qualified and supplemental pension plans:

(In millions)	Three months ended September 30,						Nine months ended September 30,
	2014			2013			2014			2013
Service cost	$	3		$	4		$	8		$	10
Interest cost	4			4			11			10
Expected return on plan assets	(5		)	(5		)	(13		)	(13		)
Amortization of actuarial loss and prior service   cost	1			2			2			7
Net periodic benefit cost	$	3		$	5		$	8		$	14