Pension Plans, Retirement Benefits and Savings Plans (table)

6 Months Ended

Jun. 30, 2016

Pension Plans, Retirement Benefits and Savings Plans disclosure

Summary of the components of net periodic benefit cost for the Company's pension and postretirement benefit plans recognized in the consolidated statement of income [Table Text Block]

	Pension Plans						Postretirement Benefit Plans
(for the three months ended June 30, in millions)	2016			2015			2016			2015
Net Periodic Benefit Cost:
Service cost	$	30		$	32		$	—		$	—
Interest cost on benefit obligation	31			36			2			2
Expected return on plan assets	(58		)	(57		)	—			—
Settlement	1			—			—			—
Amortization of unrecognized:
Prior service benefit	—			—			(1		)	—
Net actuarial loss	16			24			—			—
Net periodic benefit cost	$	20		$	35		$	1		$	2
	Pension Plans						Postretirement Benefit Plans
(for the six months ended June 30, in millions)	2016			2015			2016			2015
Net Periodic Benefit Cost:
Service cost	$	59		$	65		$	—		$	—
Interest cost on benefit obligation	61			72			4			5
Expected return on plan assets	(115		)	(115		)	—			—
Settlement	1			—			—			—
Amortization of unrecognized:
Prior service benefit	—			—			(2		)	(1		)
Net actuarial loss	33			48			—			—
Net periodic benefit cost	$	39		$	70		$	2		$	4