Employee Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Components of Net Periodic Benefit Cost

The following tables summarize the components of net periodic benefit cost for the three and nine months ended September 30, 2012 and 2011:

	Pension Benefits						Other Benefits						Superannuation, SERP(1) and ESBP(2)
	For the Three Months Ended September 30,						For the Three Months Ended September 30,						For the Three Months Ended September 30,
(Dollars in millions)	2012			2011			2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	19		$	14		$	4		$	3		$	1	$	—
Interest cost		25			25			3			4			—		—
Expected return on plan assets		(37	)		(37	)		(4	)		(4	)		—		—
Amortization of transition amount		—			—			1			1			—		—
Recognized net actuarial loss		23			11			2			1			—		1
Total net periodic benefit cost	$	30		$	13		$	6		$	5		$	1	$	1

	Pension Benefits						Other Benefits						Superannuation, SERP(1) and ESBP(2)
	For the Nine Months Ended September  30,						For the Nine Months Ended September  30,						For the Nine Months Ended September 30,
(Dollars in millions)	2012			2011			2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	58		$	43		$	10		$	9		$	1	$	1
Interest cost		75			74			9			10			2		2
Expected return on plan assets		(110	)		(110	)		(10	)		(10	)		—		—
Amortization of transition amount		—			—			1			1			—		—
Recognized net actuarial loss		67			33			6			4			1		1
Total net periodic benefit cost	$	90		$	40		$	16		$	14		$	4	$	4

⁽¹⁾ Supplemental Executives Retirement Plan (SERP).

⁽²⁾ Executive Supplemental Benefit Plans (ESBP).