v2.4.0.6

Debt - Long-Term Debt (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Debt at face value | $ 22,143 |  | $ 23,096 |
Capitalized leases | 31 |  | 39 |
Net unamortized premiums and discounts | 449 |  | 457 |
Total debt | 22,623 |  | 23,592 |
Short-term debt | (1,013) | [1] | (936) | [1]
Long-term debt | 21,610 | [1] | 22,656 | [1]
9.375% Notes due 2011 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value |  |  | 328 |
9.125% Debentures due 2021 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 150 |  | 150 |
8.20% Debentures due 2025 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 150 |  | 150 |
8.125% Notes due 2030 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 600 |  | 600 |
7.9% Debentures due 2047 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 100 |  | 100 |
7.8% Debentures due 2027 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 300 |  | 300 |
7.68% Notes due 2012 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 7 |  | 15 |
7.65% Debentures due 2023 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 88 |  | 88 |
7.625% Debentures due 2013 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 100 |  | 100 |
7.40% Notes due 2031 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 500 |  | 500 |
7.375% Debentures due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 92 |  | 92 |
7.25% Notes due 2031 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 500 |  | 500 |
7.20% Notes due 2031 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 575 |  | 575 |
7% Debentures due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 200 |  | 200 |
6.95% Notes due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,549 |  | 1,549 |
6.875% Debentures due 2026 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 67 |  | 67 |
6.65% Debentures due 2018 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 297 |  | 297 |
6.50% Notes due 2011 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value |  |  | 500 |
6.50% Notes due 2039 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 2,250 |  | 2,250 |
6.50% Notes due 2039 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 500 |  | 500 |
6.00% Notes due 2020 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,000 |  | 1,000 |
5.951% Notes due 2037 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 645 |  | 645 |
5.95% Notes due 2036 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 500 |  | 500 |
5.90% Notes due 2032 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 505 |  | 505 |
5.90% Notes due 2038 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 600 |  | 600 |
5.75% Notes due 2019 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 2,250 |  | 2,250 |
5.625% Notes due 2016 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,250 |  | 1,250 |
5.50% Notes due 2013 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 750 |  | 750 |
5.20% Notes due 2018 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 500 |  | 500 |
4.75% Notes due 2012 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 897 |  | 897 |
4.75% Notes due 2014 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,500 |  | 1,500 |
4.60% Notes due 2015 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,500 |  | 1,500 |
4.40% Notes due 2013 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 400 |  | 400 |
Commercial Paper [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 1,128 |  | 1,182 |
Industrial Development Bonds due 2012 through 2038 at 0.08% - 5.75% at year-end 2011 and 0.33% - 5.75% at year-end 2010 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 252 |  | 252 |
Guarantee of savings plan bank loan payable due 2015 at 2.29% at year-end 2011 and 2.06% at year-end 2010 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 15 |  | 64 |
Note payable to Merey Sweeny, L.P. due 2020 at 7% (related party) [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 133 |  | 144 |
Marine Terminal Revenue Refunding Bonds due 2031 at 0.08% - 0.15% at year-end 2011 and 0.33% - 0.48% at year-end 2010 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | 265 |  | 265 |
Other Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt at face value | $ 28 |  | $ 31 |
[1] | Certain amounts have been restated to reflect a prior period adjustment. See Note 21-Accumulated Other Comprehensive Income, in the Notes to Consolidated Financial Statements.

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + 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 FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt and capital lease obligations, which are due within one year (or one business cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
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- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28567-108399 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section H + Details
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