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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2021
Fair Value Disclosures [Abstract] |
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis and Subject to Fair Value Disclosure Requirements | The Company’s other assets and liabilities measured at fair value on a recurring basis and subject to fair value disclosure requirements at March 31, 2021 and December 31, 2020 were as follows:
|  |  | Fair Value Measurements at Reporting Date Using
In millions | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets |  |  |  |  |  |  |
Money market funds at March 31, 2021 | $ | 205 |  |  | $ | 205 |  |  | $ | — |  |  | $ | — |
Money market funds at December 31, 2020 | $ | 16 |  |  | $ | 16 |  |  | $ | — |  |  | $ | — |
Liabilities |  |  |  |  |  |  |
Interest rate swap at March 31, 2021 | $ | 23 |  |  | $ | — |  |  | $ | 23 |  |  | $ | — |
Interest rate swap at December 31, 2020 | $ | 27 |  |  | $ | — |  |  | $ | 27 |  |  | $ | — |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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