Items Affecting Comparability of Net Income - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating profit	$ 323	$ 316	$ 996	$ 588
Meituan Dianping [Member]
Unrealized investment gain (loss)	(4)	(15)	(33)	(33)
COVID-19 [Member]
Temporary relief recognized	$ 1	$ 30	$ 14	$ 61

The net result for the period of deducting operating expenses from operating revenues.

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-Topic 280
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-Topic 280
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