Share-Based Payments (Details Textual) (USD $)	5 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended
	Jun. 08, 2010	Dec. 31, 2011 Plan Year	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2010 Restructuring Charges [Member]	Dec. 31, 2011 Restructuring Charges [Member]	Dec. 31, 2010 Restructuring Charges [Member]	Dec. 31, 2011 Time Vested Restricted Stock Units [Member]	Dec. 31, 2010 Time Vested Restricted Stock Units [Member]	Dec. 31, 2009 Time Vested Restricted Stock Units [Member]	Dec. 31, 2011 Performance vested restricted stock units [Member] Increment	Dec. 31, 2010 Performance vested restricted stock units [Member]	Dec. 31, 2009 Performance vested restricted stock units [Member]	Dec. 31, 2011 Employee Stock Option [Member]	Dec. 31, 2011 Market stock units [Member] Increment	Dec. 31, 2010 Market stock units [Member]	Dec. 31, 2011 Cash settled performance shares [Member] Increment	Dec. 31, 2010 Cash settled performance shares [Member]	Dec. 31, 2011 Directors Plan [Member]	Dec. 31, 2011 Omnibus Plans [Member]	Dec. 31, 2011 Attainment Of Performance Criteria [Member] Market stock units [Member]	Dec. 31, 2011 Attainment Of Performance Criteria [Member] Cash settled performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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
Grant vested to employees		one-third per year over three years						one-third per year over three years						one-fourth per year over four years
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 days for calculation of average closing stock price																	60 days
Number of shares granted								1,398,000			1,000	4,000	325,000		398,000						26,000	95,000
Weighted average grant date fair value								$ 70.01	$ 54.79	$ 48.93	$ 53.64	$ 53.64	$ 49.42		$ 74.19	$ 61.87
Maximum percentage of earnings of target number of shares granted if maximum threshold limit is attained													200.00%
Number of annual increments for MSU award															4
Number of equal annual increments											3						3
Share-based compensation expense		$ 117,347,000	$ 171,435,000	$ 167,207,000	$ 6,800,000	$ (600,000)	$ 6,800,000	$ 89,600,000	$ 129,400,000	$ 133,700,000					$ 14,600,000	$ 10,000,000	$ 32,700,000	$ 15,000,000
Cash in settlement of CSPS awards upon vesting		13,400,000
Share-Based Payments (Textual) [Abstract]
Windfall tax benefits from vesting of stock awards, exercises of stock options and ESPP participation		50,600,000	13,100,000	3,400,000
Unrecognized compensation cost related to unvested share-based compensation		124,300,000
Weighted-average period to recognize the cost of unvested awards		1.3
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		6
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
Outstanding stock options exercisable		1,300,000
Weighted-average exercise price		$ 52.35
Aggregate intrinsic value of options exercisable		73,600,000
Weighted average remaining contractual term for options exercisable		4.1
Total of vested and expected to vest options outstanding		1,600,000
Weighted average exercise price for vested and expected to vest options		$ 52.74
Aggregate intrinsic value of vested and expected to vest options		94,300,000
Weighted average remaining contractual term of vested and expected to vest options		4.8
Stock options		0
Total intrinsic value of options exercised		149,000,000	50,500,000	6,700,000
Aggregate intrinsic values of options outstanding		96,800,000
Weighted average remaining contractual term for options outstanding		4.9
Incremental charge related to stock options Rsus and Pvrsus	$ 18,600,000