Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Pre-Petition Liabilities Subject to Compromise (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Pre-Petition Liabilities Subject to Compromise [Line Items]
Accounts payable	$ 272	$ 275
Debt	683	683
Pension and other postemployment obligations	189	568
Settlements	1,049	946
Environmental	103	44
Other liabilities subject to compromise	175	192
Liabilities subject to compromise	2,471	2,708
Liabilities Subject to Compromise Pre-Petition [Member]
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Pre-Petition Liabilities Subject to Compromise [Line Items]
Accounts payable	272	275
Debt	683	683
Pension and other postemployment obligations	189	568
Settlements	1,049	946
Payables and advances to non-filing entities	193	193
Environmental	103	44
Other liabilities subject to compromise	175	192
Liabilities subject to compromise	$ 2,664	$ 2,901

The amount of payable and advances to non-filing entities included in liabilities subject to compromise.

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- Definition

Total amount of liabilities subject to compromise.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 55

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56145-112766

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55717-112764

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6918054&loc=d3e56015-112765

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The amount of trade accounts payable included in liabilities subject to compromise.

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The amount of debt and related accrued interest included in liabilities subject to compromise.

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The amount of environmental remediation liabilities included in liabilities subject to compromise.

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The amount of other obligations included in liabilities subject to compromise.

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- Definition

The amount of pension and other postretirement obligations included in liabilities subject to compromise.

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- Definition

The amount of the provision for expected and allowed claims included in liabilities subject to compromise.

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