Stock-Based Compensation (Tables)

3 Months Ended

12 Months Ended

Dec. 31, 2011

Dec. 31, 2011

STOCK-BASED COMPENSATION [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

Stock-based compensation for the reporting periods is as follows:

	2011		2010		2009
	(In millions)
Stock-based compensation expense	$	66	$	52	$	56
Tax benefit	25		20		22
Stock-based compensation cost capitalized in property, plant and equipment	4		3		3

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Stock option activity was as follows:

					(In millions)
	Number of Options		Weighted Average Exercise Price		Aggregate Intrinsic Value
Options outstanding at January 1, 2011	4,827,457		$	41.09
Granted	—		$	—
Exercised	(2,040,229	)	$	40.83
Forfeited or expired	(22,558	)	$	43.44
Options outstanding at December 31, 2011	2,764,670		$	41.25	$	29
Options exercisable at December 31, 2011	2,098,184		$	42.42	$	19

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The number, weighted average exercise price and weighted average remaining contractual life of options outstanding were as follows:

						Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)
					Number of Options
Range of Exercise Prices
$	27.00	—	$	38.00	417,633	$	27.80	7.16
$	38.01	—	$	42.00	723,662	$	41.04	3.11
$	42.01	—	$	45.00	1,272,117	$	44.04	5.64
$	45.01	—	$	50.00	351,258	$	47.60	4.81
					2,764,670	$	41.25	5.10

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	December 31
	2010		2009
Risk-free interest rate	2.91	%	2.04	%
Dividend yield	5.08	%	4.98	%
Expected volatility	22.96	%	27.88	%
Expected life	6	years	6	years

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

Stock award activity for the periods ended December 31 was:

	2011		2010		2009
Fair value of awards vested (in millions)	$	13	$	19	$	18
Restricted common shares awarded	381,840		238,405		523,660
Weighted average market price of shares awarded	$	47.98	$	44.08	$	28.73
Compensation cost charged against income (in millions)	$	12	$	12	$	18

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

The following table summarizes the Company’s stock awards activity for the period ended December 31, 2011:

	Restricted Stock		Weighted Average Grant Date Fair Value
Balance at January 1, 2011	757,414		$	37.32
Grants	381,840		$	47.98
Forfeitures	(66,675	)	$	40.92
Vested and issued	(346,355	)	$	38.25
Balance at December 31, 2011	726,224		$	42.25

Share Based Compensation Expense [Table Text Block]

The Company recorded compensation expense as follows:

	2011		2010		2009
	(In millions)
Compensation expense	$	53	$	36	$	35
Cash settlements (1)	$	3	$	3	$	1
Stock settlements (1)	$	25	$	23	$	8

Summary of Performance Share Activity [Table Text Block]

The following table summarizes the Company’s performance share activity for the period ended December 31, 2011:

	Performance Shares
Balance at January 1, 2011	1,527,253
Grants	621,114
Forfeitures	(71,946	)
Payouts	(467,688	)
Balance at December 31, 2011	1,608,733

Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]

	Unrecognized Compensation Cost		Weighted Average to be Recognized
	(In millions)		(In years)
Options	$	1	0.76
Stock awards	15		1.12
Performance shares	34		1.48
	$	50	1.36