Employee Benefit Plans

6 Months Ended

Jun. 30, 2015

Defined Pension, Defined Contribution and Other Postretirement Benefit Plans [Abstract]

Employee Benefit Plans

Pension and Postretirement Plans. We sponsor both funded and unfunded domestic and foreign defined pension and other postretirement benefit plans, and defined contribution plans. Contributions to our plans were as follows:



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions)	2015		2014		2015		2014
Defined benefit plans	$	25	$	60	$	70	$	144
Defined contribution plans	$	86	$	80	$	182	$	170

There were no significant contributions to our domestic defined benefit pension plans in the quarters and six months ended June 30, 2015 and 2014.

The following table illustrates the components of net periodic benefit cost for our defined pension and other postretirement benefit plans:



	Pension Benefits Quarter Ended June 30,						Other Postretirement Benefits Quarter Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	124		$	122		$	1		$	1
Interest cost	350			380			8			10
Expected return on plan assets	(565		)	(554		)	—			—
Amortization	(2		)	(2		)	—			—
Recognized actuarial net loss (gain)	221			107			(1		)	(1		)
Net settlement and curtailment loss	3			6			—			—
Total net periodic benefit cost	$	131		$	59		$	8		$	10



	Pension Benefits Six Months Ended June 30,						Other Postretirement Benefits Six Months Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	249		$	244		$	2		$	2
Interest cost	701			760			16			20
Expected return on plan assets	(1,134		)	(1,108		)	—			—
Amortization	(5		)	(4		)	—			—
Recognized actuarial net loss (gain)	442			214			(2		)	(2		)
Net settlement and curtailment loss	9			6			—			—
Total net periodic benefit cost	$	262		$	112		$	16		$	20