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ACCOUNTING AND DISCLOSURE CHANGES | 12 Months Ended
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Dec. 31, 2020
Accounting Standards Update and Change in Accounting Principle [Abstract] |
ACCOUNTING AND DISCLOSURE CHANGES | ACCOUNTING AND DISCLOSURE CHANGES Recently Adopted Accounting and Disclosure Changes We adopted new accounting guidance on current expected credit losses on January 1, 2020, using a modified retrospective approach to the first period in which the guidance was effective. The new rules changed the measurement of credit losses for financial assets and certain other instruments, including trade and other receivables with a right to receive cash, and require the use of a new forward-looking expected loss model that results in the earlier recognition of an allowance for losses. The adoption of these new rules did not have a significant impact on our consolidated financial statements. We adopted the Financial Accounting Standards Board's new lease accounting rules (ASC 842), as of January 1, 2019, using the modified retrospective approach where the new lease standard is not applied to prior comparative periods, which continue to be presented under accounting standards in effect for those prior periods. The adoption of the new lease accounting rules did not materially impact our consolidated results of operations and had no impact on cash flows or beginning retained earnings.

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- Definition The entire disclosure for change in accounting principle. 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