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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Schedule of marketable securities

The aggregate carrying values of our short-term and long-term investment securities consisted of the following at March 31, 2022 and December 31, 2021 (in millions):

			March 31, 2022						December 31, 2021
Available-for-sale investment securities
Time deposits			$	865					$	790
Commercial paper			61						2
Debt securities			10						8
Total available-for-sale investment securities			936						800
Held-to-maturity investment securities
Corporate bonds			100						37
Total held-to-maturity investment securities			100						37
Equity investment securities			24						26
Total investment securities			$	1,060					$	863

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Tabular disclosure of investment securities.

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