Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount	$ 21,984	$ 22,613
Fair value	19,904
2025 Term Loan due August 31, 2025 | Line of Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount	1,000
Fair value	$ 1,000
3.65% Senior Notes due May 23, 2025 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.65%
Carrying Amount	$ 1,247
Fair value	$ 1,227
3.75% Senior Notes due December 1, 2025 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.75%
Carrying Amount	$ 1,248
Fair value	$ 1,223
4.00% Senior Notes due September 15, 2027 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	4.00%
Carrying Amount	$ 1,490
Fair value	$ 1,458
3.10% Senior Notes due September 15, 2027 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.10%
Carrying Amount	$ 498
Fair value	$ 472
3.625% Senior Notes due September 1, 2028 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.625%
Carrying Amount	$ 925
Fair value	$ 946
3.75% Senior Notes due September 21, 2028 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.75%
Carrying Amount	$ 596
Fair value	$ 576
4.35% Senior Notes due June 15, 2029 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	4.35%
Carrying Amount	$ 1,242
Fair value	$ 1,220
2.10% Senior Notes due June 15, 2030 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	2.10%
Carrying Amount	$ 1,238
Fair value	$ 1,062
1.85% Senior Notes due September 15, 2032 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	1.85%
Carrying Amount	$ 1,487
Fair value	$ 1,174
4.60% Senior Notes due March 15, 2033 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	4.60%
Carrying Amount	$ 1,489
Fair value	$ 1,455
2.65% Senior Notes due September 15, 2040 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	2.65%
Carrying Amount	$ 1,232
Fair value	$ 903
4.25% Senior Notes due September 21, 2048 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	4.25%
Carrying Amount	$ 1,232
Fair value	$ 1,073
3.00% Senior Notes due June 15, 2050 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.00%
Carrying Amount	$ 1,222
Fair value	$ 846
4.95% Senior Notes due June 15, 2052 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	4.95%
Carrying Amount	$ 1,466
Fair value	$ 1,425
3.00% Senior Notes due September 15, 2060 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	3.00%
Carrying Amount	$ 1,472
Fair value	$ 949
5.20% Senior Notes due June 15, 2062 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate, stated percentage	5.20%
Carrying Amount	$ 984
Fair value	979
Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount	1,916
Fair value	$ 1,916