Debt - Schedule of Total Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Nov. 17, 2025	Dec. 31, 2024	Jun. 05, 2024	May 13, 2024
Short-term debt:
Commercial Paper	$ 1,035		$ 529
Total short-term debt	1,035		3,027
Long-term debt:
Total long-term debt	18,609		17,341
Total debt	$ 19,644		20,368
Senior Notes | 2025 Senior Notes (3.65% unsecured due May 23, 2025)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.65%
Short-term debt:
Senior notes	$ 0		1,249
Long-term debt:
Total debt	$ 0		1,249
Senior Notes | 2025 Senior Notes (3.75% senior notes due December 1, 2025)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.75%	3.75%
Short-term debt:
Senior notes	$ 0		1,249
Long-term debt:
Total debt	$ 0		1,249
Senior Notes | 2027 Senior Notes (4.00% senior notes due September 15, 2027)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.00%
Long-term debt:
Senior notes	$ 1,495		1,492
Total debt	$ 1,495		1,492
Senior Notes | 2027 Senior Notes (3.10% senior notes due September 15, 2027)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.10%
Long-term debt:
Senior notes	$ 499		498
Total debt	$ 499		498
Senior Notes | 2028 Senior Notes (3.625% senior notes due September 1, 2028)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.625%			3.625%
Long-term debt:
Senior notes	$ 954		937	$ 1,000
Total debt	$ 954		937
Senior Notes | 2028 Senior Notes (3.75% senior notes due September 21, 2028)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.75%
Long-term debt:
Senior notes	$ 597		596
Total debt	$ 597		596
Senior Notes | 2028 Senior Notes (3.95% unsecured due December 1, 2028)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.95%	3.95%
Long-term debt:
Senior notes	$ 594		0
Total debt	$ 594		0
Senior Notes | 2029 Senior Notes (4.35% senior notes due June 15, 2029)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.35%
Long-term debt:
Senior notes	$ 1,245		1,243
Total debt	$ 1,245		1,243
Senior Notes | 2030 Senior Notes (2.10% senior notes due June 15, 2030)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	2.10%
Long-term debt:
Senior notes	$ 1,242		1,240
Total debt	$ 1,242		1,240
Senior Notes | 2031 Senior Notes (4.20% unsecured due March 15, 2031)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.20%	4.20%
Long-term debt:
Senior notes	$ 640		0
Total debt	$ 640		0
Senior Notes | 2031 Senior Notes (5.25% senior notes due June 15, 2031)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	5.25%				5.25%
Long-term debt:
Senior notes	$ 745		743
Total debt	$ 745		743
Senior Notes | 2032 Senior Notes (1.85% senior notes due September 15, 2032)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	1.85%
Long-term debt:
Senior notes	$ 1,489		1,488
Total debt	$ 1,489		1,488
Senior Notes | 2033 Senior Notes (4.60% senior notes due March 15, 2033)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.60%
Long-term debt:
Senior notes	$ 1,491		1,490
Total debt	$ 1,491		1,490
Senior Notes | 2040 Senior Notes (2.65% senior notes due September 15, 2040)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	2.65%
Long-term debt:
Senior notes	$ 1,234		1,233
Total debt	$ 1,234		1,233
Senior Notes | 2048 Senior Notes (4.25% senior notes due September 21, 2048)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.25%
Long-term debt:
Senior notes	$ 1,234		1,233
Total debt	$ 1,234		1,233
Senior Notes | 2050 Senior Notes (3.00% senior notes due June 15, 2050)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.00%
Long-term debt:
Senior notes	$ 1,224		1,223
Total debt	$ 1,224		1,223
Senior Notes | 2052 Senior Notes (4.95% senior notes due June 15, 2052)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	4.95%
Long-term debt:
Senior notes	$ 1,468		1,467
Total debt	$ 1,468		1,467
Senior Notes | 2060 Senior Notes (3.00% senior notes due September 15, 2060)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	3.00%
Long-term debt:
Senior notes	$ 1,473		1,473
Total debt	$ 1,473		1,473
Senior Notes | 2062 Senior Notes (5.20% senior notes due June 15, 2062)
Debt Instrument [Line Items]
Interest rate, stated percentage (in percentage)	5.20%
Long-term debt:
Senior notes	$ 985		985
Total debt	$ 985		$ 985