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Short-Term Deposits and Marketable Securities - Changes in Value of Marketable Securities Reported in Current Assets on Consolidated Balance Sheets (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2019
Marketable Securities [Line Items] |  |
Beginning Balance | $ 133 |
Proceeds at maturity | (132) | $ (200)
Change in fair value included in OCI | (1) |
Ending Balance |  | 133
U.S. Treasury Debt Securities [Member] |  |
Marketable Securities [Line Items] |  |
Beginning Balance | 133 |
Proceeds at maturity | (132) |
Change in fair value included in OCI | $ (1) |
Ending Balance |  | $ 133

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- Definition Amount of investment in marketable security, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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