Debt - Long Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt	$ 18,723	$ 16,842
Less: unamortized discounts and issuance costs	(1,264)	(1,295)
Total debt, net	17,459	15,547
Less: current portion	(168)	(118)
Long-term debt, net	$ 17,291	15,429
4.95% due 2025
Debt Instrument [Line Items]
Interest rate	4.95%
Total debt	$ 500	500
3.55% due 2026
Debt Instrument [Line Items]
Interest rate	3.55%
Total debt	$ 1,000	1,000
5.10% due 2027
Debt Instrument [Line Items]
Interest rate	5.10%
Total debt	$ 750	750
4.45% due 2028
Debt Instrument [Line Items]
Interest rate	4.45%
Total debt	$ 500	0
1.85% due 2030
Debt Instrument [Line Items]
Interest rate	1.85%
Total debt	$ 400	400
3.90% due 2032
Debt Instrument [Line Items]
Interest rate	3.90%
Total debt	$ 800	800
5.25% due 2033
Debt Instrument [Line Items]
Interest rate	5.25%
Total debt	$ 1,000	1,000
4.75% due 2034
Debt Instrument [Line Items]
Interest rate	4.75%
Total debt	$ 850	0
3.60% due 2035
Debt Instrument [Line Items]
Interest rate	3.60%
Total debt	$ 500	500
4.50% and 6.15% due 2036
Debt Instrument [Line Items]
Total debt	$ 1,054	1,054
4.50% and 6.15% due 2036 | Minimum
Debt Instrument [Line Items]
Interest rate	4.50%
4.50% and 6.15% due 2036 | Maximum
Debt Instrument [Line Items]
Interest rate	615.00%
4.07% due 2042
Debt Instrument [Line Items]
Interest rate	4.07%
Total debt	$ 1,336	1,336
3.80% due 2045
Debt Instrument [Line Items]
Interest rate	3.80%
Total debt	$ 1,000	1,000
4.70% due 2046
Debt Instrument [Line Items]
Interest rate	4.70%
Total debt	$ 1,326	1,326
2.80% due 2050
Debt Instrument [Line Items]
Interest rate	2.80%
Total debt	$ 750	750
4.09% due 2052
Debt Instrument [Line Items]
Interest rate	4.09%
Total debt	$ 1,578	1,578
4.15% due 2053
Debt Instrument [Line Items]
Interest rate	4.15%
Total debt	$ 850	850
5.70% due 2054
Debt Instrument [Line Items]
Interest rate	5.70%
Total debt	$ 1,000	1,000
5.20% due 2055
Debt Instrument [Line Items]
Interest rate	5.20%
Total debt	$ 650	0
4.30% due 2062
Debt Instrument [Line Items]
Interest rate	4.30%
Total debt	$ 650	650
5.90% due 2063
Debt Instrument [Line Items]
Interest rate	5.90%
Total debt	$ 750	750
Other notes with rates from 4.85% to 8.50%, due 2024 to 2041
Debt Instrument [Line Items]
Total debt	$ 1,479	$ 1,598
Other notes with rates from 4.85% to 8.50%, due 2024 to 2041 | Minimum
Debt Instrument [Line Items]
Interest rate	4.85%
Other notes with rates from 4.85% to 8.50%, due 2024 to 2041 | Maximum
Debt Instrument [Line Items]
Interest rate	8.50%