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Supplementary Information - Condensed Consolidating Financial Information - Cash Flow (Details 2) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 3 Months Ended | 3 Months Ended | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2013
ConocoPhillips [Member]
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Mar. 31, 2012
ConocoPhillips [Member]
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Mar. 31, 2013
ConocoPhillips Company [Member]
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Mar. 31, 2012
ConocoPhillips Company [Member]
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Mar. 31, 2013
ConocoPhillips Australia Funding Company [Member]
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Dec. 31, 2012
ConocoPhillips Australia Funding Company [Member]
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Mar. 31, 2012
ConocoPhillips Australia Funding Company [Member]
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Dec. 31, 2011
ConocoPhillips Australia Funding Company [Member]
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Mar. 31, 2013
ConocoPhillips Canada Funding Company I [Member]
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Mar. 31, 2012
ConocoPhillips Canada Funding Company I [Member]
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Mar. 31, 2013
ConocoPhillips Canada Funding Company II [Member]
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Dec. 31, 2012
ConocoPhillips Canada Funding Company II [Member]
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Mar. 31, 2012
ConocoPhillips Canada Funding Company II [Member]
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Dec. 31, 2011
ConocoPhillips Canada Funding Company II [Member]
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Mar. 31, 2013
All Other Subsidiaries [Member]
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Mar. 31, 2012
All Other Subsidiaries [Member]
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Mar. 31, 2013
Consolidating Adjustments [Member]
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Mar. 31, 2012
Consolidating Adjustments [Member]
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| Cash Flows From Operating Activities | ||||||||||||||||||||
| Net cash provided by (used in) continuing operating activities | $ 4,608 | $ 4,070 | $ 74 | $ 3,011 | $ 2,261 | $ 3,737 | $ (2) | $ (1) | $ 2,618 | $ (257) | $ (343) | $ (2,420) | ||||||||
| Net cash provided by (used in) discontinued operations | 122 | 112 | 167 | 172 | (56) | (50) | 1 | |||||||||||||
| Net Cash Provided by (Used in) Operating Activities | 4,730 | 4,182 | 74 | 3,011 | 2,261 | 3,904 | (2) | (1) | 2,790 | (313) | (393) | (2,419) | ||||||||
| Cash Flows From Investing Activities | ||||||||||||||||||||
| Capital expenditures and investments | (3,391) | (3,818) | (303) | (448) | (470) | (2,943) | (3,348) | 303 | ||||||||||||
| Proceeds from asset dispositions | 1,134 | 1,102 | 4 | 1,130 | 1,102 | |||||||||||||||
| Net sales (purchases) of short-term investments | (23) | 92 | (23) | 92 | ||||||||||||||||
| Long-term advances/loans-related parties | 2 | (2) | (7) | (3,004) | 5 | 3,006 | ||||||||||||||
| Collection of advances/loans-related parties | 57 | 38 | 14 | 92 | 1,609 | 28 | (1,566) | (82) | ||||||||||||
| Other | (21) | 7 | (21) | 7 | ||||||||||||||||
| Net cash provided by (used in) continuing operations | (2,244) | (2,579) | (303) | (428) | (380) | (255) | (5,123) | (1,561) | 3,227 | |||||||||||
| Net cash provided by (used in) discontinued operations | (189) | (431) | (163) | (189) | 7,932 | (8,200) | ||||||||||||||
| Net Cash Provided by (Used in) Investing Activities | (2,433) | (3,010) | (303) | (428) | (543) | (444) | 2,809 | (1,561) | (4,973) | |||||||||||
| Cash Flows From Financing Activities | ||||||||||||||||||||
| Issuance of debt | 3,000 | 5 | 6 | (5) | (3,006) | |||||||||||||||
| Repayment of debt | (48) | (47) | (1,566) | (8,215) | (48) | (114) | 1,566 | 8,282 | ||||||||||||
| Change in restricted cash | 748 | 748 | ||||||||||||||||||
| Issuance of company common stock | (10) | 36 | (10) | 36 | ||||||||||||||||
| Repurchase of company common stock | (1,899) | (1,899) | ||||||||||||||||||
| Dividends paid | (815) | (843) | (815) | (843) | (343) | (2,308) | 343 | 2,308 | ||||||||||||
| Other | (205) | (199) | 1 | (2) | (206) | (198) | 1 | |||||||||||||
| Net cash provided by (used in) continuing financing activities | (330) | (2,952) | (76) | (2,708) | (1,566) | (5,215) | (592) | (2,614) | 1,904 | 7,585 | ||||||||||
| Net cash provided by (used in) discontinued operations | (318) | (5) | (50) | (120) | 50 | (193) | ||||||||||||||
| Net Cash Provided by (Used in) Financing Activities | (330) | (3,270) | (76) | (2,708) | (1,566) | (5,220) | (642) | (2,734) | 1,954 | 7,392 | ||||||||||
| Effect of Exchange Rate Changes on Cash and Cash Equivalents | (163) | 25 | (163) | 25 | ||||||||||||||||
| Net Change in Cash and Cash Equivalents | 1,804 | (2,073) | (2) | 267 | (1,859) | (2) | (1) | 1,541 | (213) | |||||||||||
| Cash and cash equivalents at beginning of period | 3,618 | 5,780 | 2 | 12 | 2,028 | 6 | 6 | 1 | 1 | 50 | 38 | 2 | 2 | 1 | 1 | 3,546 | 3,712 | |||
| Cash and Cash Equivalents at End of Period | $ 5,422 | $ 3,707 | $ 279 | $ 169 | $ 6 | $ 6 | $ 1 | $ 1 | $ 48 | $ 37 | $ 2 | $ 2 | $ 1 | $ 1 | $ 5,087 | $ 3,499 | ||||