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Other Non-Current Assets - Other Non-Current Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Statement Of Financial Position [Abstract] |  |
Equity securities | $ 25 | $ 23
Long-term State receivables | 623 | 358
Deposits and other non-current assets | 76 | 56
Total | $ 724 | $ 437

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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
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