Long-term Debt	3 Months Ended
Mar. 31, 2012
Long-term Debt [Abstract]
Long-term Debt	7. Long-term Debt At March 31, 2012, the Corporation classified $1,224 million of borrowings under short-term credit facilities and asset-backed credit facilities as long-term based on availability under its $4 billion syndicated revolving credit facility.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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