Share-Based Incentive Compensation (tables)

12 Months Ended

Dec. 31, 2011

Share-Based Incentive Compensation disclosure

Assumptions used in estimating fair value of options on grant date [Table Text Block]

2011	Original Grants	Reload Grants
Expected term of stock options	6 years	1 year
Expected volatility of the Company's stock	28.0% - 28.6%	15.7% - 17.6%
Weighted average volatility	28.2%	15.9%
Expected annual dividend per share	$1.44 - $1.64	$1.44 - $1.64
Risk-free rate	1.19% - 2.62%	0.10% - 0.29%

2010	Original Grants	Reload Grants
Expected term of stock options	6 years	1 - 2 years
Expected volatility of the Company's stock	28.3% - 29.1%	18.3% - 41.6%
Weighted average volatility	28.4%	21.1%
Expected annual dividend per share	$1.32 - $1.44	$1.32 - $1.44
Risk-free rate	1.68% - 2.71%	0.20% - 0.95%

2009	Original Grants	Reload Grants
Expected term of stock options	6 years	1 - 2 years
Expected volatility of the Company's stock	28.2% - 34.1%	36.5% - 55.1%
Weighted average volatility	32.4%	42.9%
Expected annual dividend per share	$1.20 - $1.32	$1.20 - $1.32
Risk-free rate	2.07% - 2.85%	0.29% - 1.21%

Summary of stock option activity under the Company's 2004 Incentive Plan and legacy share-based incentive compensation plans [Table Text Block]

Stock Options	Number			Weighted Average Exercise Price		Weighted Average Contractual Life Remaining	Aggregate Intrinsic Value ($ in millions)
Outstanding, beginning of year		22,476,981		$	46.52
Granted:
Original		2,380,199			56.85
Reload		574,815			62.25
Exercised		(6,845,142	)		46.03
Forfeited or expired		(2,373,892	)		56.61
Outstanding, end of year		16,212,961		$	47.33	5.4 Years	$	194
Vested at end of year(1)		12,218,772		$	46.71	4.5 Years	$	154
Exercisable at end of year		8,625,125		$	45.22	3.4 Years	$	121

(1)

Represents awards for which the requisite service has been rendered, including those that are retirement eligible.

Additional information regarding original and reload grants [Table Text Block]

2011	Original Grants		Reload Grants
Weighted average grant-date fair value of options granted (per share)	$	12.94	$	3.19
Total intrinsic value of options exercised during the year (in millions)	$	76	$	11

2010	Original Grants		Reload Grants
Weighted average grant-date fair value of options granted (per share)	$	11.94	$	3.46
Total intrinsic value of options exercised during the year (in millions)	$	77	$	3

2009	Original Grants		Reload Grants
Weighted average grant-date fair value of options granted (per share)	$	9.54	$	8.95
Total intrinsic value of options exercised during the year (in millions)	$	52	$	—

Summary of restricted stock units, deferred stock awards and performance share activity [Table Text Block]

	Restricted and Deferred Shares					Performance Shares
Other Equity Instruments	Number			Weighted Average Grant-Date Fair Value		Number			Weighted Average Grant-Date Fair Value
Outstanding, beginning of year		3,086,352		$	45.46		1,743,890		$	44.52
Granted		1,034,387			56.39		801,095			56.11
Vested		(1,158,649	)(1)		48.67		(1,010,765	)(2)		40.21
Forfeited		(181,586	)		47.90		(99,405	)		49.57
Performance-based adjustment		—			—		112,587	(3)		46.01
Outstanding, end of year		2,780,504		$	48.03		1,547,402		$	53.79

(1)

Represents awards for which the requisite service has been rendered.

(2)

Reflects the number of performance shares attributable to the performance goals attained over the completed performance period (3 years) and for which service conditions have been met.

(3)

Represents the current year change in estimated performance shares to reflect the attainment of performance goals for the awards that were granted in each of the years 2008 through 2011.