|
Retirement Plans (Schedule Of Expected Cash Flow Information For Pension And Other Postretirement Benefit Plans) (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2011
|
|---|---|
|
Pension Benefits [Member]
|
|
| Defined Benefit Plan Disclosure [Line Items] | |
| Devon's 2012 contributions | $ 9 |
| 2012 | 44 |
| 2013 | 49 |
| 2014 | 52 |
| 2015 | 56 |
| 2016 | 61 |
| 2017 to 2021 | 390 |
|
Other Postretirement Benefits [Member]
|
|
| Defined Benefit Plan Disclosure [Line Items] | |
| Devon's 2012 contributions | 3 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 3 |
| 2017 to 2021 | $ 14 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the benefits expected to be paid in Year 5. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the benefits expected to be paid in Year 4. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the benefits expected to be paid in Year 1. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the benefits expected to be paid in Year 3. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of the benefits expected to be paid in Year 2. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|