v2.4.0.6

Long-Term Debt (Details) (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2012
Line of Credit Facility [Line Items] |
Line of Credit Facility, Expiration Date | Oct. 11, 2016
Maximum borrowing capacity | $ 2,000,000,000
Eurodollar rate at period end (in hundredths) | 1.09%
Base rate at period end (in hundredths) | 3.25%
Debt Instrument Issuance [Abstract] |
Proceeds from Issuance of Senior Long-term Debt | 1,234,000,000
Debt Instrument Issuance Face Amount | 1,250,000,000
Debt Instrument Offering Date | Sep. 10, 2012
Debt Instrument Issuance Interest Rate | 2.625%
Capital Lease [Abstract] |
Capital Lease Term (in years) | 10
Capital Lease Optional Additional Term (in years) | 5
Capital Lease Obligations Incurred | 66,000,000
Capital Lease Obligations, Noncurrent | 59,000,000
Capital Lease Obligations, Current | 7,000,000
Capital Leases, Future Minimum Payments Due | 76,000,000
Uncommitted Credit Facility [Member] |
Line of Credit Facility [Line Items] |
Weighted average interest rate (in hundredths) | 0.70%
Average Borrowings Outstanding | 55,000
Commercial Paper [Member] |
Line of Credit Facility [Line Items] |
Weighted average interest rate (in hundredths) | 0.45%
Average Borrowings Outstanding | $ 315,000,000

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