Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Restricted stock unit activity is set forth below:



	Restricted Stock Units Outstanding
	Number of Shares		Weighted Average Grant-Date Fair Value per Share
	(In millions, except per share data)
Balance at December 31, 2013	24		$	34.91
Restricted stock units granted	13		29.93
Restricted stock units cancelled	(1	)	34.67
Restricted stock units vested	(3	)	36.04
Balance at March 31, 2014	33		$	32.85

Activity under all stock option incentive plans

Stock option activity is set forth below:



	Options Outstanding
	Number of Shares		Weighted Average Exercise Price per Share
	(In millions, except per share data)
Balance at December 31, 2013	39		$	30.39
Options cancelled	(1	)	36.55
Options exercised	(2	)	23.57
Balance at March 31, 2014	36		$	30.70

Unearned stock-based compensation estimated to be expensed related to unvested share-based payment awards

The following table presents details of unearned stock-based compensation currently estimated to be expensed in the remainder of 2014 through 2018 related to unvested share-based payment awards:



	2014		2015		2016		2017		2018		Total
	(In millions)
Unearned stock-based compensation	$	356	$	341	$	219	$	110	$	15	$	1,041