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Investments - Other Equity Securities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	$ 5,057,000,000		$ 5,057,000,000		$ 4,514,000,000
Unrealized gains (losses) on equity securities	0	$ 0	0	$ 0
Sale of unrealized gains (losses) on equity securities	0	0	0	0
Increase and decrease in equity securities without readily determinable fair value, amount	0	0	0	0
Sale of securities without readily determinable fair value	0	$ 0	0	$ 0
Other Noncurrent Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	336,000,000		336,000,000		494,000,000
Equity securities without readily determinable fair value	$ 318,000,000		$ 318,000,000		$ 309,000,000

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
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-Section 50
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