Employee Incentive, Retirement, and Deferred Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2014

Employee Incentive, Retirement, and Deferred Compensation Plans [Abstract]

Stock-Based Compensation Expense and Related Income Tax Benefit

Year Ended December 31,		2014		2013		2012
Stock option expense	$	44	$	52	$	57
Restricted stock unit expense		66		60		40
Restricted stock award expense		-		-		5
Employee stock purchase plan expense		5		4		3
Total stock-based compensation expense	$	115	$	116	$	105
Income tax benefit on stock-based compensation	$	(43)	$	(43)	$	(39)

Stock Option Activity

						Weighted-
			Weighted-			Average
			Average			Remaining		Aggregate
	Number		Exercise Price			Contractual		Intrinsic
	of Options		per Share			Life (in years)		Value
Outstanding at December 31, 2013		46		$	16.74
Granted		6		$	27.96
Exercised		(10)		$	19.04
Forfeited		(1)		$	16.66
Expired		-		$	20.19
Outstanding at December 31, 2014		41		$	17.74		7.02	$	513
Vested and expected to vest at December 31, 2014		40		$	17.62		6.96	$	497
Vested and exercisable at December 31, 2014		24		$	15.76		5.92	$	342

Information on Stock Options Granted and Exercised

Year Ended December 31,		2014		2013		2012
Weighted-average fair value of options granted per share	$	7.82	$	6.33	$	4.07
Cash received from options exercised	$	189	$	258	$	35
Tax benefit realized on options exercised	$	8	$	-	$	1
Aggregate intrinsic value of options exercised	$	86	$	82	$	9

Assumptions Used to Value Options Granted and Their Expected Lives

Year Ended December 31,	2014		2013		2012
Weighted-average expected dividend yield	1.20	%	1.13	%	.99	%
Weighted-average expected volatility	28	%	28	%	31	%
Weighted-average risk-free interest rate	2.4	%	2.5	%	1.8	%
Expected life (in years)	4.4 – 7.2		4.6 – 7.9		3.0 – 6.7

Restricted Stock Units Activity

		Weighted-
		Average Grant
	Number	Date Fair Value
	of Units	per Unit
Outstanding at December 31, 2013	11	$	16.11
Granted	3	$	28.09
Vested	(4)	$	15.63
Forfeited	-	$	16.50
Outstanding at December 31, 2014	10	$	20.66