Equity Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

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

Schedule Of Stock-Based Compensation Expenses

The following table details the components of stock-based compensation expense recognized in net earnings in each of the past three years:

Year Ended December 31	2010		2011		2012
Stock options	$	53	$	58	$	57
Restricted stock	24		25		17
Total stock-based compensation expense, net of tax	$	77	$	83	$	74

Schedule Of Assumptions Of Fair Value Options On The Date Of Grant Using Black-Scholes Option Pricing Model

We estimate the fair value of options on the date of grant using the Black-Scholes option pricing model with the following assumptions for each of the past three years:

Year Ended December 31	2010		2011		2012
Expected volatility	27.0-31.9%		28.4-31.5%		27.9-31.3%
Weighted average expected volatility	29.8	%	30.1	%	30.7	%
Expected term (in months)	40-50		43-53		43-53
Risk-free interest rate	1.0-2.2%		1.2-1.9%		0.6-0.8%
Expected dividend yield	2.0	%	2.0	%	2.7	%

Summary Of Stock Option Activity

A summary of option activity during 2012 follows:

	Shares Under Option		Weighted Average Exercise Price Per Share
Outstanding on December 31, 2011	29,304,653		$	69.19
Granted	5,650,767		70.81
Exercised	(3,722,749	)	40.57
Forfeited/cancelled	(5,107,912	)	76.52
Outstanding on December 31, 2012	26,124,759		$	72.19
Vested and expected to vest on December 31, 2012	25,811,443		$	72.19
Exercisable on December 31, 2012	17,004,811		$	72.30

Schedule Of Stock Options' Intrinsic Value And Remaining Contractual Term

Summary information with respect to our stock options’ intrinsic value and remaining contractual term on December 31, 2012, follows:

	Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in millions)
Outstanding	3.2	$	76
Vested and expected to vest	3.1	76
Exercisable	1.8	73

Summary Of Restricted Stock And Restricted Stock Unit Activity

A summary of restricted stock and restricted stock unit activity during 2012 follows:

	Shares/ Share-Equivalent Units		Weighted Average Grant-Date Fair Value Per Share
Nonvested at December 31, 2011	2,421,033		$	63.01
Granted	532,354		70.86
Vested	(421,834	)	83.03
Forfeited	(38,104	)	67.53
Nonvested at December 31, 2012	2,493,449		$	61.23