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New Accounting Pronouncements (Notes) | 12 Months Ended
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Dec. 31, 2018
New Accounting Pronouncements [Abstract] |
New Accounting Pronouncements and Changes in Accounting Principles [Text Block] | New Accounting Pronouncements Standards adopted in 2018 Revenue Recognition On January 1, 2018, we adopted the comprehensive new revenue recognition standard issued by the Financial Accounting Standards Board (FASB). The core principle of the new standard is that a company should recognize revenue to depict the transfer of promised services or products to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those services or products. The standard creates a five step model that requires companies to exercise judgment when considering the terms of a contract and all relevant facts and circumstances. We adopted the new revenue recognition standard using a modified retrospective basis and applied the guidance to all contracts that were not completed as of January 1, 2018. This resulted in an immaterial cumulative-effect adjustment to retained earnings as of January 1, 2018. The comparative financial information has not been restated and continues to be reported under the revenue accounting standards in effect during those periods. The adoption of this standard did not have a material impact to our consolidated financial position, reported revenue, results of operations or cash flows as of and for the year ended December 31, 2018. See Note 3 for our expanded revenue disclosures required by the new standard. Standards not yet adopted Leases In February 2016, the FASB issued an accounting standards update related to accounting for leases, which requires assets and liabilities that arise from all leases to be recognized on the balance sheet for lessees and expanded financial statement disclosures for both lessees and lessors. Currently, only capital leases are recorded on the balance sheet. This update will require lessees to recognize a lease liability equal to the present value of its lease payments and a right-of-use asset representing its right to use the underlying asset for the lease term for all leases longer than 12 months. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and liabilities and instead recognize lease expense for such leases generally on a straight-line basis over the lease term. Leases with a term of longer than 12 months will be classified as finance or operating, with classification affecting the pattern and classification of expense recognition in the income statement. We adopted the new standard effective January 1, 2019 and intend to elect the modified retrospective transition method. As such, the comparative financial information will not be restated and will continue to be reported under the lease standard in effect during those periods. We also intend to elect other practical expedients provided by the new standard, including the package of practical expedients, the short-term lease recognition practical expedient in which leases with a term of 12 months or less will not be recognized on the balance sheet, and the practical expedient to not separate lease and non-lease components for the majority of our leases. We expect that the adoption of this standard will result in a range of approximately $1.0 billion to $1.2 billion of additional assets and liabilities on our consolidated balance sheet representing the recognition of operating lease right-of-use assets and operating lease liabilities.

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- Definition The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -URI http://asc.fasb.org/topic&trid=2122394 + Details
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