Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Notes to Financial Statements [Abstract]

Stock-based Compensation Expense

We recognized stock-based compensation expense as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
(millions)
Stock-Based Compensation Expense	$	14		$	13		$	29		$	27
Tax Benefit Recognized		(5	)		(5	)		(10	)		(9	)

Share-based Compensation Awards

During the six months ended June 30, 2011, we granted stock options and awarded shares of restricted stock (subject to service conditions) as follows:

	Number Granted/Awarded		Weighted Average Fair Value
Stock Options		974,993	$	30.23
Shares of Restricted Stock		398,827	$	90.41