Debt - Long-Term Debt Obligations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Face value of long-term debt	$ 69,472	$ 70,542
Less: current portion of long-term debt	(2,000)	(2,999)
Long-term debt	67,084	67,150
Senior Notes
Debt Instrument [Line Items]
Face value of long-term debt	68,500
Unamortized discount and issuance costs, net	$ (388)	(393)
Weighted average remaining lives term	13 years
Senior Notes | 2014 Notes issuance of $6.0 billion
Debt Instrument [Line Items]
Issuance amount	$ 6,000
Face value of long-term debt	$ 4,000	4,000
Weighted average remaining lives term	12 years 3 months 18 days
Senior Notes | 2014 Notes issuance of $6.0 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	3.80%
Effective Interest Rates	3.90%
Senior Notes | 2014 Notes issuance of $6.0 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	4.95%
Effective Interest Rates	5.12%
Senior Notes | 2017 Notes issuance of $17.0 billion
Debt Instrument [Line Items]
Issuance amount	$ 17,000
Face value of long-term debt	$ 15,000	16,000
Weighted average remaining lives term	14 years 10 months 24 days
Senior Notes | 2017 Notes issuance of $17.0 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	2.80%
Effective Interest Rates	2.95%
Senior Notes | 2017 Notes issuance of $17.0 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	5.20%
Effective Interest Rates	4.33%
Senior Notes | 2020 Notes issuance of $10.0 billion
Debt Instrument [Line Items]
Issuance amount	$ 10,000
Face value of long-term debt	$ 10,000	10,000
Weighted average remaining lives term	16 years 6 months
Senior Notes | 2020 Notes issuance of $10.0 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	0.40%
Effective Interest Rates	0.56%
Senior Notes | 2020 Notes issuance of $10.0 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	2.70%
Effective Interest Rates	2.77%
Senior Notes | 2021 Notes issuance of $18.5 billion
Debt Instrument [Line Items]
Issuance amount	$ 18,500
Face value of long-term debt	$ 18,500	18,500
Weighted average remaining lives term	13 years 1 month 6 days
Senior Notes | 2021 Notes issuance of $18.5 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	0.25%
Effective Interest Rates	0.35%
Senior Notes | 2021 Notes issuance of $18.5 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	3.25%
Effective Interest Rates	3.31%
Senior Notes | April 2022 Notes issuance of $12.8 billion
Debt Instrument [Line Items]
Issuance amount	$ 12,800
Face value of long-term debt	$ 12,750	12,750
Weighted average remaining lives term	13 years
Senior Notes | April 2022 Notes issuance of $12.8 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	2.73%
Effective Interest Rates	2.83%
Senior Notes | April 2022 Notes issuance of $12.8 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	4.10%
Effective Interest Rates	4.15%
Senior Notes | December 2022 Notes issuance of $8.3 billion
Debt Instrument [Line Items]
Issuance amount	$ 8,300
Face value of long-term debt	$ 8,250	8,250
Weighted average remaining lives term	5 years 7 months 6 days
Senior Notes | December 2022 Notes issuance of $8.3 billion | Minimum
Debt Instrument [Line Items]
Stated Interest Rates	4.55%
Effective Interest Rates	4.61%
Senior Notes | December 2022 Notes issuance of $8.3 billion | Maximum
Debt Instrument [Line Items]
Stated Interest Rates	4.70%
Effective Interest Rates	4.83%
Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Face value of long-term debt	$ 972	$ 1,042