v2.4.0.6

Segment Information (Condensed Statements Of Comprehensive Earnings And Balance Sheets Of Reportable Segments) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Jun. 30, 2010 | Mar. 31, 2010 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Oil, gas and NGL sales |  |  |  |  |  |  |  |  |  | $ 8,315 |  | $ 7,262 | $ 6,097
Oil, gas and NGL derivatives |  |  |  |  |  |  |  |  |  | 881 |  | 811 | 384
Marketing and midstream revenues |  |  |  |  |  |  |  |  |  | 2,258 |  | 1,867 | 1,534
Interest expense |  |  |  |  |  |  |  |  |  | 352 |  | 363 | 349
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 2,248 |  | 1,930 | 2,108
Earnings (loss) from continuing operations before income taxes | 794 |  | 1,538 | 1,378 | 580 | 668 | 699 | 613 | 1,588 | 4,290 |  | 3,568 | (4,526)
Income tax (benefit) expense |  |  |  |  |  |  |  |  |  | 2,156 |  | 1,235 | (1,773)
Earnings (loss) from continuing operations | 521 |  | 1,040 | 184 | 389 | 478 | 429 | 352 | 1,074 | 2,134 |  | 2,333 | (2,753)
Property and equipment, net | 24,774 |  |  |  |  | 19,652 |  |  |  | 24,774 |  | 19,652 |
Total continuing assets | 40,964 | [1] |  |  |  | 31,505 |  |  |  | 40,964 | [1] | 31,505 |
Reduction of carrying value of oil and gas properties |  |  |  |  |  |  |  |  |  |  |  |  | 6,408
Capital expenditures |  |  |  |  |  |  |  |  |  | 7,820 |  | 7,114 | 4,683
Assets held for sale | 153 |  |  |  |  | 1,400 |  |  |  | 153 |  | 1,400 | 1,900
U.S. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Oil, gas and NGL sales |  |  |  |  |  |  |  |  |  | 5,418 |  | 4,742 | 3,958
Oil, gas and NGL derivatives |  |  |  |  |  |  |  |  |  | 881 |  | 809 | 382
Marketing and midstream revenues |  |  |  |  |  |  |  |  |  | 2,059 |  | 1,742 | 1,498
Interest expense |  |  |  |  |  |  |  |  |  | 204 |  | 159 | 125
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 1,439 |  | 1,229 | 1,498
Earnings (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 3,477 |  | 2,943 | (4,961)
Income tax (benefit) expense |  |  |  |  |  |  |  |  |  | 1,958 |  | 1,062 | (1,894)
Earnings (loss) from continuing operations |  |  |  |  |  |  |  |  |  | 1,519 |  | 1,881 | (3,067)
Property and equipment, net | 16,989 |  |  |  |  | 12,379 |  |  |  | 16,989 |  | 12,379 |
Total continuing assets | 22,622 | [1] |  |  |  | 18,320 |  |  |  | 22,622 | [1] | 18,320 |
Reduction of carrying value of oil and gas properties |  |  |  |  |  |  |  |  |  |  |  |  | 6,408
Capital expenditures |  |  |  |  |  |  |  |  |  | 6,112 |  | 5,007 | 3,584
Canada [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Oil, gas and NGL sales |  |  |  |  |  |  |  |  |  | 2,897 |  | 2,520 | 2,139
Oil, gas and NGL derivatives |  |  |  |  |  |  |  |  |  |  |  | 2 | 2
Marketing and midstream revenues |  |  |  |  |  |  |  |  |  | 199 |  | 125 | 36
Interest expense |  |  |  |  |  |  |  |  |  | 148 |  | 204 | 224
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 809 |  | 701 | 610
Earnings (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 813 |  | 625 | 435
Income tax (benefit) expense |  |  |  |  |  |  |  |  |  | 198 |  | 173 | 121
Earnings (loss) from continuing operations |  |  |  |  |  |  |  |  |  | 615 |  | 452 | 314
Property and equipment, net | 7,785 |  |  |  |  | 7,273 |  |  |  | 7,785 |  | 7,273 |
Total continuing assets | 18,342 | [1] |  |  |  | 13,185 |  |  |  | 18,342 | [1] | 13,185 |
Capital expenditures |  |  |  |  |  |  |  |  |  | $ 1,708 |  | $ 2,107 | $ 1,099
[1] | Total assets in the table above do not include assets held for sale related to Devon's discontinued operations, which totaled $153 million, $1.4 billion, and $1.9 billion in 2011, 2010 and 2009, respectively.

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