Long-Term Debt	6 Months Ended
Jun. 30, 2012
Debt Disclosure [Abstract]
Long-Term Debt	Note 14. Long-Term Debt The net carrying value of long-term debt, excluding amounts reclassified from short-term, at June 30, 2012 and December 31, 2011 is $4.1 billion. The fair value of long-term debt at June 30, 2012 and December 31, 2011 is $4.9 billion. Long-term debt includes corporate issued bonds, a corporate profit sharing/ savings plan bond and certain other bonds. The fair value of corporate bonds is $4.0 billion and classified as Level 1. The fair value of the corporate profit sharing/ savings plan bond and certain other bonds is $0.9 billion and classified as Level 2.

The entire disclosure for long-term debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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