Investments - Summarized Financial Information of Investment in Adevinta (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement
Gross profit		$ 7,115		$ 7,770	$ 7,097
Income (loss) from continuing operations		(1,274)		252	2,487
Net income (loss)		(1,269)		13,608	$ 5,667
Assets
Current assets		9,290		9,111
Liabilities and Equity
Current liabilities		$ 4,271		$ 4,622
Adevinta
Income Statement
Revenue	$ 450		$ 1,742
Gross profit	147		571
Income (loss) from continuing operations	3		65
Net income (loss)	4		56
Assets
Current assets	613		427
Noncurrent assets	16,424		13,281
Liabilities and Equity
Current liabilities	679		466
Noncurrent liabilities	4,044		3,124
Noncontrolling interests	20		13
Adevinta | Adevinta
Income Statement
Net income (loss)	$ 3		$ 49