Subsequent Event	3 Months Ended
Mar. 31, 2012
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event In April 2012, the company completed the sale of its interest in an equity method investment and expects to record an after-tax gain of about $75.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

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