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Nature of Operations and Basis of Presentation (Policies) | 6 Months Ended
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Jun. 30, 2019
Nature of Operations and Basis of Presentation [Abstract] |
Basis of Accounting | The accompanying condensed consolidated financial statements have been prepared in conformity with U.S. GAAP pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) for interim financial information. Accordingly they do not include all of the information and notes required by U.S. GAAP for complete financial statements. The accompanying condensed consolidated financial statements include all adjustments, which consist of normal recurring adjustments and transactions or events discretely impacting the interim periods, considered necessary by management to fairly state our results of operations, financial position and cash flows. The operating results for interim periods are not necessarily indicative of results that may be expected for any other interim period or for the full year. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2018 Form 10-K. Except for per share amounts or as otherwise specified, dollar amounts presented within tables are stated in millions. In the three months ended March 31, 2019 we changed the presentation of our condensed consolidated balance sheets to reclassify the current portion of Equipment on operating leases, net to Other current assets and our condensed consolidated statements of cash flows to reclassify Payments to purchase common stock to Other financing activities. We have made corresponding reclassifications to the comparable information for all periods presented.
Principles of Consolidation | Principles of Consolidation We consolidate entities that we control due to ownership of a majority voting interest and we consolidate variable interest entities (VIEs) when we are the primary beneficiary. Our share of earnings or losses of nonconsolidated affiliates is included in our consolidated operating results using the equity method of accounting when we are able to exercise significant influence over the operating and financial decisions of the affiliate.
Recently Adopted Accounting Standards and Accounting Standards Not Yet Adopted | Recently Adopted Accounting Standards Effective January 1, 2019, we adopted Accounting Standards Update (ASU) 2016-02, "Leases" (ASU 2016-02) using the modified retrospective method, resulting in a cumulative-effect adjustment to the opening balance of Retained earnings for an insignificant amount. We recognized $1.0 billion of right of use assets and lease obligations included in Other assets, Accrued liabilities and Other liabilities on our condensed consolidated balance sheet for our existing operating lease portfolio at January 1, 2019. We elected to apply the practical expedient related to land easements, as well as the package of practical expedients permitted under the transition guidance in the new standard, which allowed us to carry forward our historical lease classification. The accounting for our finance leases and leases where we are the lessor remained substantially unchanged. The application of ASU 2016-02 had no impact on our condensed consolidated income statement or condensed consolidated statement of cash flows. The following table summarizes our minimum commitments under noncancelable operating leases having initial terms in excess of one year, primarily for property, at December 31, 2018 as disclosed in our 2018 Form 10-K:
| Years Ending December 31,
| 2019 |  | 2020 |  | 2021 |  | 2022 |  | 2023 |  | Thereafter |  | Total
Minimum commitments(a) | $ | 296 |  |  | $ | 286 |  |  | $ | 247 |  |  | $ | 180 |  |  | $ | 146 |  |  | $ | 582 |  |  | $ | 1,737 |
Sublease income | (61 | ) |  | (51 | ) |  | (44 | ) |  | (38 | ) |  | (33 | ) |  | (129 | ) |  | (356 | )
Net minimum commitments | $ | 235 |  |  | $ | 235 |  |  | $ | 203 |  |  | $ | 142 |  |  | $ | 113 |  |  | $ | 453 |  |  | $ | 1,381 |
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(a) | Certain leases contain escalation clauses and renewal or purchase options.
Refer to Note 13 for information on our operating leases at June 30, 2019. Accounting Standards Not Yet Adopted In June 2016 the Financial Accounting Standards Board issued ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments" (ASU 2016-13), which requires entities to use a new impairment model based on Current Expected Credit Losses (CECL) rather than incurred losses. We plan to adopt ASU 2016-13 on January 1, 2020 on a modified retrospective basis, which will result in an increase to our allowance for credit losses and a decrease to Retained earnings as of the adoption date. Estimated credit losses under CECL will consider relevant information about past events, current conditions and reasonable and supportable forecasts that affect the collectibility of the reported amount, resulting in recognition of lifetime expected credit losses upon loan origination. We are currently testing and refining our process to calculate credit losses in accordance with ASU 2016-13 that, once completed, will determine the impact on our condensed consolidated financial statements at the date of adoption. We expect to be substantially complete with our implementation efforts before December 31, 2019.

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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.3A-02) -URI http://asc.fasb.org/extlink&oid=116822174&loc=d3e355033-122828 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.3A-03) -URI http://asc.fasb.org/extlink&oid=116822174&loc=d3e355100-122828 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684 + Details
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