Fair Value Measurements (Changes In Fair Value Of Level 3 Liabilities Representing Acquisition Related Contingent Consideration) (Details) (Contingent Consideration [Member], USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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Contingent Consideration [Member]
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Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
Balance at January 1, | $ 63 | $ 110 |
Additions | 26 | 27 |
Payments | (17) | (30) |
Revaluation Impact | 32 | (44) |
Balance at December 31, | $ 104 | $ 63 |