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Long-term Debt and Interest Expense - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 6,975			$ 3,548
Issuance costs and discounts, net	(43)			(248)
Total debt	6,932			3,300
Current portion of long-term debt	244			140
Long-term debt	6,688			3,160
Senior notes
Debt Instrument [Line Items]
Long-term debt	5,381			2,060
3.450% senior notes due 2021
Debt Instrument [Line Items]
Stated interest rate		3.45%	7.50%
3.450% senior notes due 2021 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	0			140
3.950% senior notes due 2022
Debt Instrument [Line Items]
Stated interest rate		3.95%
3.950% senior notes due 2022 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	244			244
0.550% senior notes due 2023
Debt Instrument [Line Items]
Stated interest rate		0.55%
0.550% senior notes due 2023 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	750			0
0.750% senior callable notes due 2024
Debt Instrument [Line Items]
Stated interest rate		0.75%
0.750% senior callable notes due 2024 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	750			0
0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Stated interest rate		0.25%
Issuance costs and discounts, net	16
0.250% convertible senior notes due 2025 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	1,323			1,323
1.125% senior notes due 2026
Debt Instrument [Line Items]
Stated interest rate		1.125%
1.125% senior notes due 2026 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	750			0
4.450% senior notes due 2026
Debt Instrument [Line Items]
Stated interest rate		4.45%
4.450% senior notes due 2026 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	500			500
5.625% senior notes due 2027
Debt Instrument [Line Items]
Stated interest rate		5.625%
5.625% senior notes due 2027 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	179			0
7.200% senior notes due 2028
Debt Instrument [Line Items]
Stated interest rate		7.20%
7.200% senior notes due 2028 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	241			241
4.125% senior notes due 2028
Debt Instrument [Line Items]
Stated interest rate		4.125%
4.125% senior notes due 2028 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	138			0
1.900% senior notes due 2030
Debt Instrument [Line Items]
Stated interest rate		1.90%
1.900% senior notes due 2030 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	1,100			1,100
2.150% senior notes due 2031
Debt Instrument [Line Items]
Stated interest rate		2.15%
2.150% senior notes due 2031 \| Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 1,000			$ 0