Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2011

Retirement Plans

Schedule Of Components Of Net Periodic Benefit Cost And Other Comprehensive Earnings For Pension And Other Post-Retirement Benefit Plans

	Pension Benefits				Other Postretirement Benefits
	Three Months Ended June 30,		Six Months Ended June 30,		Three Months Ended June 30,		Six Months Ended June 30,
	2011	2010	2011	2010	2011	2010	2011	2010
	(In millions)
Service cost	$          9	$          8	$        18	$        16	$          1	$        —	$          1	$        —
Interest cost	15	14	30	28	—	1	1	2
Expected return on plan assets	(11)	(9)	(21)	(18)	—	—	—	—
Amortization of prior service cost	1	1	2	2	(1)	—	(1)	—
Net actuarial loss	8	7	16	14	—	—	—	—
Net periodic benefit cost	$        22	$        21	$        45	$        42	$        —	$          1	$          1	$          2