Share-Based Payments (Details Textual) (USD $)	5 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended
	Jun. 08, 2010	Dec. 31, 2012 Plan	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2010 Restructuring Charges	Dec. 31, 2012 Restructuring Charges	Dec. 31, 2011 Restructuring Charges	Dec. 31, 2010 Restructuring Charges	Dec. 31, 2012 Time-vested restricted stock units		Dec. 31, 2011 Time-vested restricted stock units	Dec. 31, 2010 Time-vested restricted stock units	Dec. 31, 2012 Performance vested restricted stock units Increment	Dec. 31, 2011 Performance vested restricted stock units	Dec. 31, 2010 Performance vested restricted stock units	Dec. 31, 2012 Market stock units Increment		Dec. 31, 2011 Market stock units	Dec. 31, 2012 Cash settled performance shares Increment		Dec. 31, 2012 Directors Plan	Dec. 31, 2012 Omnibus Plans	Dec. 31, 2012 Attainment Of Performance Criteria Market stock units	Dec. 31, 2012 Attainment Of Performance Criteria Cash settled performance shares	Dec. 31, 2012 Attainment Of Performance Criteria in 2010 [Member] Market stock units	Dec. 31, 2012 Director Time-vested restricted stock units	Dec. 31, 2012 Annual Vesting [Member] Time-vested restricted stock units	Dec. 31, 2012 Annual Vesting [Member] Employee	Dec. 31, 2012 Annual Vesting [Member] Director
Share-based Compensation Arrangement by Share-based Payment Award
Total number of shares of common stock for issuance																					1,600,000	15,000,000
Ratio of total number of shares reserved under the plan																					1.5-to-1	1.5-to-1
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage																											33.00%	25.00%	33.00%
Number of equal annual increments													3			4			3
Percentage of earnings of the target number of units granted based on actual stock performance (Minimum)																0.00%			0.00%
Percentage of earnings of the target number of units granted based on actual stock performance (Maximum)																150.00%			200.00%
Number of shares granted									1,013,000	[1]			0	1,000	4,000	319,000	[2]		327,000,000	[3]			39,000	68,000	42,000	24,000
Number of days for calculation of average closing stock price																60 days			60 days
Cash in settlement of CSPS awards upon vesting																			$ 28,700,000
Weighted average grant date fair value									$ 124.54	[1]	$ 70.01	$ 54.79	$ 0.00	$ 53.64	$ 53.64	$ 134.95	[2]	$ 74.19
Maximum percentage of earnings of target number of shares granted if maximum threshold limit is attained													200.00%
Share-based compensation expense		123,956,000	117,347,000	171,435,000	6,800,000	0	(600,000)	6,800,000
Share-Based Payments (Textual)
Windfall tax benefits from vesting of stock awards, exercises of stock options and ESPP participation		54,700,000	50,600,000	13,100,000
Unrecognized compensation cost related to unvested share-based compensation		164,400,000
Weighted-average period to recognize the cost of unvested awards		1 year 5 months
Number of share-based compensation plans pursuant to which awards are currently being made		3
Number of share-based compensation plans pursuant to which no further awards will be made		5
Term of stock option grants to employees		10 years
Term of stock option vest to employees (in years)		4 years
Term of stock option grants to directors		10 years
Term of grant vested to board of director		3 years
Number of shares granted under stock options		0	0
Total intrinsic value of options exercised		63,000,000	149,000,000	50,500,000
Aggregate intrinsic values of options outstanding		83,300,000
Weighted average remaining contractual term for options outstanding		4 years 5 months
Outstanding stock options exercisable		800,000
Weighted-average exercise price		$ 54.87
Aggregate intrinsic value of options exercisable		72,100,000
Weighted average remaining contractual term for options exercisable		4 years 1 month
Total of vested and expected to vest options outstanding		900,000
Weighted average exercise price for vested and expected to vest options		$ 54.48
Aggregate intrinsic value of vested and expected to vest options		83,100,000
Weighted average remaining contractual term of vested and expected to vest options		4 years 5 months
Stock options		0
Incremental charge related to stock options Rsus and Pvrsus	$ 18,600,000

[1] RSUs granted in 2012 primarily represent RSUs granted in conjunction with our annual awards made in February 2012 and awards made in conjunction with the hiring of new employees. RSUs granted in 2012 also include approximately 24,000 RSUs granted to our Board of Directors.

[2] MSUs granted in 2012 include approximately 39,000 and 42,000 MSUs issued in 2012 based upon the attainment of performance criteria set for 2011 and 2010, respectively, in relation to shares granted in those years. The remainder of MSUs granted during 2012 include awards granted in conjunction with our annual awards made in February 2012 and MSUs granted in conjunction with the hiring of employees. These grants reflect the target number of shares eligible to be earned at the time of grant.

[3] CSPSs granted in 2012 include approximately 68,000 CSPSs issued in 2012 based upon the attainment of performance criteria set for 2011 in relation to shares granted in 2011. The remainder of the CSPSs granted in 2012 include awards granted in conjunction with our annual awards made in February 2012 and CSPSs granted in conjunction with the hiring of employees. These grants reflect the target number of shares eligible to be earned at the time of grant.