Borrowings (Annual Maturities on Long-term Debt Outstanding) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Borrowings [Abstract]
2014	$ 6
2015	357
2016	7
2017	258
2018	283
Thereafter	1,009
Total maturities	1,920
Unamortized discount, net	(17)
Total long-term debt	$ 1,903	$ 1,632

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year.

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No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year.

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No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year.

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No definition available.

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Amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year.

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Amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year.

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