XML 44 R71.htm IDEA: XBRL DOCUMENT

Debt - Short-term Debt (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Disclosure [Abstract]
Commercial paper	$ 0	$ 100
Current maturities of long-term debt	1,042	1,445
Total Short-term Debt	$ 1,042	$ 1,545

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References+ Details