Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Capital and Operating Leases (Details)

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Commitments and Contingencies Capital and Operating Leases (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Remainder of fiscal 2013 - Capital leases $ 1
Fiscal 2014 - Capital leases 2
Fiscal 2015 - Capital leases 2
Fiscal 2016 - Capital leases 2
Fiscal 2017 - Capital leases 2
Thereafter - Capital leases 38
Total minimum lease payments - Capital leases 47
Deduct: Amounts representing interest - Capital leases 25
Present value of minimum lease payments - Capital leases 22
Deduct: Current portion of capital lease obligations 0
Long-term portion of capital lease obligations 22
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Remainder of fiscal 2013 - Operating leases 45
Fiscal 2014 - Operating leases 143
Fiscal 2015 - Operating leases 92
Fiscal 2016 - Operating leases 39
Fiscal 2017 - Operating leases 31
Thereafter - Operating leases 57
Total minimum lease payments - Operating leases 407
Total capital and operating leases, future minimum payments due [Abstract]  
Remainder of fiscal 2013 - Total 46
Fiscal 2014 - Total 145
Fiscal 2015 - Total 94
Fiscal 2016 - Total 41
Fiscal 2017 - Total 33
Thereafter - Total 95
Total minimum lease payments - Total $ 454