Marketable Securities - Current and Non-current (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale
Current marketable securities	$ 185	$ 201
Non-current marketable securities	27	27
Total marketable securities	212	228
Commercial paper
Debt Securities, Available-for-sale
Current marketable securities	130	109
Certificates of deposit/time deposits
Debt Securities, Available-for-sale
Current marketable securities	52	14
U.S. treasury securities
Debt Securities, Available-for-sale
Current marketable securities	0	75
U.S. municipal securities
Debt Securities, Available-for-sale
Current marketable securities	3	3
Non-current marketable securities	$ 27	$ 27

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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