v3.25.4
Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments The fair value of our commercial paper was estimated using Level 2 inputs. The commercial paper includes a discount and fair value was determined to approximate the carrying value due to the short term to maturity.
As of December 31, 2025As of December 31, 2024
Carrying Amount
Fair value
Carrying Amount
Fair value
Commercial Paper
$1,035 $1,035 $529 $529 
3.65% Senior Notes due May 23, 2025
— — 1,249 1,245 
3.75% Senior Notes due December 1, 2025
— — 1,249 1,241 
4.00% Senior Notes due September 15, 2027
1,495 1,504 1,492 1,478 
3.10% Senior Notes due September 15, 2027
499 494 498 481 
3.625% Senior Notes due September 1, 2028
954 993 937 960 
3.75% Senior Notes due September 21, 2028
597 597 596 578 
3.95% Senior Notes due December 1, 2028
594 602 — — 
4.35% Senior Notes due June 15, 2029
1,245 1,264 1,243 1,224 
2.10% Senior Notes due June 15, 2030
1,242 1,149 1,240 1,081 
4.20% Senior Notes due March 15, 2031
640 651 — — 
5.25% Senior Notes due June 15, 2031
745 786 743 758 
1.85% Senior Notes due September 15, 2032
1,489 1,281 1,488 1,190 
4.60% Senior Notes due March 15, 2033
1,491 1,519 1,490 1,441 
2.65% Senior Notes due September 15, 2040
1,234 929 1,233 874 
4.25% Senior Notes due September 21, 2048
1,234 1,043 1,233 1,011 
3.00% Senior Notes due June 15, 2050
1,224 822 1,223 798 
4.95% Senior Notes due June 15, 2052
1,468 1,379 1,467 1,343 
3.00% Senior Notes due September 15, 2060
1,473 900 1,473 877 
5.20% Senior Notes due June 15, 2062
985 919 985 911 
Total debt$19,644 $17,867 $20,368 $18,020