Stock-based Compensation (Tables)

A summary of the total expense and the associated income tax benefits recognized related to stock-based compensation arrangements is as follows:



	Fiscal Years Ended
	March 29, 2014				March 30, 2013			March 31, 2012
	(millions)
Compensation expense	$	93		^(a)	$	88		$	78
Income tax benefit	$	(34	)		$	(29	)	$	(26	)


^(a)	Includes approximately $10 million of accelerated stock-based compensation expense recorded within restructuring and other charges in the consolidated statement of income for Fiscal 2014 (see Note 12). All other stock-based compensation expense is recorded within SG&A expenses.

The Company's weighted average assumptions used to estimate the fair value of stock options granted during the fiscal years presented were as follows:



	Fiscal Years Ended
	March 29, 2014		March 30, 2013		March 31, 2012
Expected term (years)	4.2		4.5		4.7
Expected volatility	32.9	%	44.3	%	44.7	%
Expected dividend yield	0.98	%	1.05	%	0.72	%
Risk-free interest rate	1.1	%	0.6	%	1.3	%
Weighted-average option grant date fair value	$45.83		$47.89		$49.13

A summary of stock option activity during Fiscal 2014 is as follows:



	Number of Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value^(a)
	(thousands)				(years)	(millions)
Options outstanding at March 30, 2013	2,954		$	91.26	4.1	$	231
Granted	840		179.45
Exercised	(673	)	78.18
Cancelled/Forfeited	(95	)	155.44
Options outstanding at March 29, 2014	3,026		$	116.66	4.1	$	143

Options vested and expected to vest at March 29, 2014^(b)	2,965		$	115.49	4.1	$	143
Options exercisable at March 29, 2014	1,804		$	85.06	3.0	$	134


^(a)	Aggregate intrinsic value is the amount by which the market price of Class A common stock at the end of the period exceeds the exercise price of the stock option, multiplied by the number of options.


^(b)	The number of options expected to vest takes into consideration expected forfeitures.

Additional information pertaining to the Company's stock option plans is as follows:



	Fiscal Years Ended
	March 29, 2014		March 30, 2013		March 31, 2012
	(millions)
Aggregate intrinsic value of stock options exercised^(a)	$	63	$	76	$	101
Cash received from the exercise of stock options	52		49		61
Tax benefits realized on exercise	24		29		36


^(a)	Aggregate intrinsic value is the amount by which the market price of Class A common stock exceeded the stock option's exercise price when exercised, multiplied by the number of options.

The assumptions used to estimate the fair value of performance-based RSUs with a TSR modifier granted during the fiscal years ended March 29, 2014 and March 30, 2013 were as follows:



	Fiscal Year Ended
	March 29, 2014		March 30, 2013
Expected term (years)	2.9		3.0
Expected volatility	32.6	%	34.0	%
Expected dividend yield	0.98	%	1.13	%
Risk-free interest rate	0.4	%	0.3	%
Weighted-average grant date fair value	$169.14		$136.16

Restricted stock and service-based RSUs [Member]

A summary of restricted stock and service-based RSU activity during Fiscal 2014 is as follows:



	Restricted Stock				Service- based RSUs
	Number of Shares		Weighted-Average Grant Date Fair Value		Number of Shares		Weighted-Average Grant Date Fair Value
	(thousands)				(thousands)
Nonvested at March 30, 2013	5		$	134.28	98		$	79.52
Granted	3		164.76		—		—
Vested	(3	)	118.57		(88	)	71.07
Forfeited	—		—		(3	)	154.55
Nonvested at March 29, 2014	5		$	159.71	7		$	145.88



	Restricted Stock		Service- based RSUs
Total unrecognized compensation at March 29, 2014 (millions)	$	0.2	$	0.3
Weighted-average period expected to be recognized over (years)	1.5		1.3

Additional information pertaining to restricted stock and service-based RSU activity is as follows:



	Fiscal Years Ended
	March 29, 2014		March 30, 2013		March 31, 2012
Restricted Stock:
Weighted-average grant date fair value of awards granted	$	164.76	$	173.33	N/A
Total fair value of awards vested (millions)	$	1	$	1	N/A
Service-based RSUs:
Weighted-average grant date fair value of awards granted	N/A		$	150.17	$	140.86
Total fair value of awards vested (millions)	$	16	$	22	$	15

Performance Shares [Member]

A summary of performance-based RSU without TSR Modifier and performance-based RSU with TSR Modifier activity during Fiscal 2014 is as follows:



	Performance-based RSUs — without TSR Modifier				Performance-based RSUs — with TSR Modifier
	Number of Shares		Weighted-Average Grant Date Fair Value		Number of Shares		Weighted-Average Grant Date Fair Value
	(thousands)				(thousands)
Nonvested at March 30, 2013	1,015		$	112.80	73		$	136.16
Granted	307		171.93		78		169.14
Change due to performance/market condition achievement	141		76.33		—		—
Vested	(627	)	85.79		—		—
Forfeited	(38	)	141.80		(6	)	150.32
Nonvested at March 29, 2014	798		$	148.93	145		$	153.29



	Performance-based RSUs — without TSR Modifier		Performance-based RSUs — with TSR Modifier
Total unrecognized compensation at March 29, 2014 (millions)	$	41	$	9
Weighted-average period expected to be recognized over (years)	1.5		1.9

Additional information pertaining to performance-based RSU without TSR Modifier and performance-based RSU with TSR Modifier activity is as follows:



	Fiscal Years Ended
	March 29, 2014		March 30, 2013		March 31, 2012
Performance-based RSUs — without TSR Modifier:
Weighted-average grant date fair value of awards granted	$	171.93	$	137.45	$	124.43
Total fair value of awards vested (millions)	$	109	$	106	$	56
Performance-based RSUs — with TSR Modifier:
Weighted-average grant date fair value of awards granted	$	169.14	$	136.16	N/A
Total fair value of awards vested (millions)	$	—	$	—	N/A