v2.4.0.6

Debt (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Long-term Debt, by Maturity [Abstract]
2012	$ 104
2013	135
2014	392
2015	164
2016	1,177
Thereafter	8,496
Total debt, gross	10,468
Less: Discount	43
Long-term Debt	$ 10,425	$ 10,256

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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