Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Amount	$ 23,299	$ 18,122
Fair value	20,258
2025 Term Loan due August 31, 2025 | Line of Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior notes	2,000	0
Fair value	$ 2,000
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%
Senior notes	$ 1,245	1,243
Fair value	$ 1,208
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%
Senior notes	$ 1,248	1,247
Fair value	$ 1,202
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%
Senior notes	$ 1,488	1,487
Fair value	$ 1,420
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%
Senior notes	$ 498	498
Fair value	$ 459
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%
Senior notes	$ 909	0
Fair value	$ 900
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%
Senior notes	$ 595	594
Fair value	$ 556
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%
Senior notes	$ 1,241	1,240
Fair value	$ 1,176
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%
Senior notes	$ 1,237	1,235
Fair value	$ 1,000
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%
Senior notes	$ 1,486	1,485
Fair value	$ 1,098
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%
Senior notes	$ 1,489	1,488
Fair value	$ 1,376
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%
Senior notes	$ 1,232	1,231
Fair value	$ 817
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%
Senior notes	$ 1,232	1,231
Fair value	$ 983
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%
Senior notes	$ 1,222	1,221
Fair value	$ 772
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%
Senior notes	$ 1,465	1,464
Fair value	$ 1,302
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%
Senior notes	$ 1,472	1,471
Fair value	$ 856
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%
Senior notes	$ 983	$ 983
Fair value	876
Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	$ 2,257