Summary Of Significant Accounting Policies	6 Months Ended
Jun. 30, 2012
Summary Of Significant Accounting Policies [Abstract]
Summary Of Significant Accounting Policies	1. Summary of Significant Accounting Policies The accompanying unaudited financial statements and notes of Devon Energy Corporation (“Devon”) have been prepared pursuant to the rules and regulations of the United States Securities and Exchange Commission. Pursuant to such rules and regulations, certain disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been omitted. The accompanying financial statements and notes should be read in conjunction with the accompanying financial statements and notes included in Devon's 2011 Annual Report on Form 10-K. The accompanying unaudited interim financial statements furnished in this report reflect all adjustments that are, in the opinion of management, necessary to a fair statement of Devon's financial position as of June 30, 2012 and Devon's results of operations and cash flows for the three-month and six-month periods ended June 30, 2012 and 2011. *Accounts Payable* Included in accounts payable at June 30, 2012, are liabilities of $99 million representing the amount by which checks issued, but not presented to Devon’s banks for collection, exceed balances in applicable bank accounts. Changes in these liabilities are reflected in cash flows from financing activities.

Summary Of Significant Accounting Policies

6 Months Ended

Jun. 30, 2012

Summary Of Significant Accounting Policies [Abstract]

Summary Of Significant Accounting Policies

1. Summary of Significant Accounting Policies

The accompanying unaudited financial statements and notes of Devon Energy Corporation (“Devon”) have been prepared pursuant to the rules and regulations of the United States Securities and Exchange Commission. Pursuant to such rules and regulations, certain disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been omitted. The accompanying financial statements and notes should be read in conjunction with the accompanying financial statements and notes included in Devon's 2011 Annual Report on Form 10-K.

The accompanying unaudited interim financial statements furnished in this report reflect all adjustments that are, in the opinion of management, necessary to a fair statement of Devon's financial position as of June 30, 2012 and Devon's results of operations and cash flows for the three-month and six-month periods ended June 30, 2012 and 2011.

Accounts Payable

Included in accounts payable at June 30, 2012, are liabilities of $99 million representing the amount by which checks issued, but not presented to Devon’s banks for collection, exceed balances in applicable bank accounts. Changes in these liabilities are reflected in cash flows from financing activities.