v2.4.0.6

Long-Term Debt (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended			1 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2010 Subsidiaries	Dec. 31, 2010 Debt redeemed and repaid	Dec. 31, 2010 7.44% Senior Note, Series C, due 2012	Dec. 31, 2009 7.44% Senior Note, Series C, due 2012	Feb. 28, 2010 7.80% Senior Notes due 2012	Dec. 31, 2010 7.80% Senior Notes due 2012	Dec. 31, 2009 7.80% Senior Notes due 2012	Dec. 31, 2010 Term loan due 2011 - fixed interest rate of 4.33%	Dec. 31, 2009 Term loan due 2011 - fixed interest rate of 4.33%	Dec. 31, 2010 Other.	Dec. 31, 2009 Other.	Dec. 31, 2010 Senior Notes 8.50%, due 2019 Subsidiaries	Dec. 31, 2010 Line of credit facility lender	Dec. 31, 2010 Mortgaged loan
Redemption and repayment of long-term debt
Aggregate principal amount redeemed and repaid					$ 827	$ 351		$ 2	$ 198		$ 250		$ 28
Aggregate repayment amount	3,227	2,242	2,819		931	406			230		260		35
Interest rate, stated percentage (as a percent)						7.44%	7.44%	7.80%	7.80%	7.80%	4.33%	4.33%			8.50%
Loss on extinguishment of debt, make-whole payments						48			28		6		7
Payment of accrued and unpaid interest						7			4		4
Non-cash write-off of unamortized losses on treasury rate lock contracts and unamortized discount and issuance costs of debt redeemed						4			2
Long-term debt, carrying amounts and fair value
Long-term debt including current portion, carrying value	3,163	3,649					351	200		200		250	115	127			122
Proceeds from long-term debt	2,535	2,774	1,967
Debt instrument unused and available borrowing capacity amount																2,232
Land, property, equipment and investments mortgaged, net carrying value				80
Principal maturities of long term debt
2011	612
2012	34
2013	638
2014	581
2015	408
Thereafter	890
Total	3,163	3,649					351	200		200		250	115	127			122
Interest paid, net of capitalization	$ 247	$ 284	$ 309

X

- Definition

Represents the amount of make-whole payments made to the holders of the debt being extinguished.

+ References

No definition available.

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X

- Definition

This element represents the net carrying value of land, property, equipment and investments mortgaged.

+ References

No definition available.

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X

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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X

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance-sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Subparagraph b

-Article 5

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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X

- Definition

Aggregate amount of interest paid or due on all long-term debt.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 8

-Article 9



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

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Chapter V

-Section 563c.102

-Paragraph 8

-Subsection I

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- Definition

The amount of cash paid during the current period for interest owed on money borrowed, net of interest capitalized.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 29



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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. 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, and after deducting unamortized discount or premiums, if any.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

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- Definition

Amount of long-term debt maturities after year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 10

-Subparagraph b

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- Definition

Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 10

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- Definition

Amount of long-term debt maturing in year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ References

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- Definition

Amount of long-term debt maturing in year four following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 10

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- Definition

Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ References

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- Definition

Amount of long-term debt maturing in year two following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

+ References

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18



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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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