Capital Stock (Tables)

6 Months Ended

Jun. 30, 2012

Capital Stock [Abstract]

Summary Of Cash Dividend Activity

			Cash
Declaration	Record	Payment	Dividend
Date	Date	Date	per Share		Total
Six Months Ended June 30, 2012
January 24, 2012	March 9, 2012	March 23, 2012	$	0.2875	$	95.8
May 16, 2012	June 8, 2012	June 25, 2012		0.2875		93.5
Six Months Ended June 30, 2011
February 22, 2011	March 10, 2011	March 25, 2011	$	0.25	$	92.8
May 17, 2011	June 10, 2011	June 24, 2011		0.25		91.1

Summary Of Share Repurchases

	July 1, 2012		Six Months Ended
	Through		June 30
	July 12, 2012			2012		2011
Shares repurchased		-		17.4		20.8
Average price per share	$	-	$	67.52	$	69.92
Aggregate cost	$	-	$	1,173.6	$	1,456.3
Authorization remaining at the end of each period	$	3,160.2	$	3,160.2	$	667.2

Summary Of Stock Option Activity

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
	Number		Option Price		Contractual		Intrinsic
	of Shares		per Share		Life (Years)		Value
Outstanding at January 1, 2012		20.0	$	62.30
Granted		1.7		66.35
Exercised		(1.8)		46.19
Forfeited or expired		(1.1)		74.12
Outstanding at June 30, 2012		18.8		63.56		3.8	$	121.7
Exercisable at June 30, 2012		15.5		63.20		3.4	$	120.0

Summary Of Nonvested Restricted Stock Activity Including Restricted Stock Units

			Weighted-
			Average
	Restricted		Grant Date
	Stock		Fair Value
	Units		per Share
Nonvested at January 1, 2012		4.0	$	56.00
Granted		1.8		66.50
Vested		(2.0)		48.57
Forfeited		(0.2)		63.01
Nonvested at June 30, 2012		3.6		65.21

Schedule Of Fair Values Of Options Granted During The Period Estimated Using Weighted-Average Assumptions

	2012		2011
Risk-free interest rate	1.41	%	2.84	%
Volatility factor	34.00	%	34.00	%
Quarterly dividend yield	0.400	%	0.379	%
Weighted-average expected life (years)	4.1		4.0

Schedule Of Weighted-Average Fair Values Determined For The Periods

	2012		2011
Options granted during the period	$	16.53	$	17.81