Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2012

Share-Based Compensation [Abstract]

Black-Scholes-Merton Option Pricing Model

	2012			2011
Expected volatility		39.71	%		36.69	%
Risk-free interest rate		1.18	%		2.54	%
Expected life (years)		6.25			6.25
Expected dividend yield		5.06	%		4.57	%

Summary Of Stock Option Activity

	Shares Under Option (Thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value (millions)
Outstanding at December 31, 2011		3,995		$	20.75		5.9	$	9.5
Granted		1,221			13.22		9.9
Exercised		(197	)		7.09
Cancelled/forfeited/expired		(245	)		30.73
Outstanding at March 31, 2012		4,774		$	18.87		6.9	$	5.8
Exercisable at March 31, 2012		819		$	7.09		6.9	$	4.3

Nonvested Restricted Stock Unit Awards

	Shares (Thousands)			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2011		4,989		$	13.94
Granted		817			10.65
Vested		(2,386	)		15.74
Forfeited		(77	)		12.84
Nonvested at March 31, 2012		3,343		$	11.86