Financing arrangements - Schedule of Borrowings (Details)
$ in Millions |
Sep. 30, 2025
USD ($)
|
Sep. 30, 2025
EUR (€)
|
Sep. 30, 2025
GBP (£)
|
Dec. 31, 2024
USD ($)
|
Sep. 30, 2024 |
| Debt Instrument [Line Items] |
|
|
|
|
|
| Unamortized bond discounts, premiums and issuance costs, net |
$ (1,317)
|
|
|
$ (1,360)
|
|
| Fair value adjustments |
(159)
|
|
|
(343)
|
|
| Other |
24
|
|
|
24
|
|
| Total carrying value of debt |
54,587
|
|
|
60,099
|
|
| Less current portion |
(2,153)
|
|
|
(3,550)
|
|
| Total long-term debt |
52,434
|
|
|
56,549
|
|
| Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Total principal amount of debt |
56,039
|
|
|
61,778
|
|
| Total carrying value of debt |
$ 52,800
|
|
|
58,300
|
|
| 1.90% notes due 2025 (1.90% 2025 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
1.90%
|
1.90%
|
1.90%
|
|
|
| Total principal amount of debt |
$ 0
|
|
|
500
|
|
| 5.25% notes due 2025 (5.25% 2025 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.25%
|
5.25%
|
5.25%
|
|
|
| Total principal amount of debt |
$ 0
|
|
|
2,000
|
|
| 3.125% notes due 2025 (3.125% 2025 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.125%
|
3.125%
|
3.125%
|
|
|
| Total principal amount of debt |
$ 0
|
|
|
1,000
|
|
| 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.00%
|
2.00%
|
2.00%
|
|
|
| Principal amount | € |
|
€ 750,000,000
|
|
|
|
| Total principal amount of debt |
$ 880
|
|
|
777
|
|
| 5.507% notes due 2026 (5.507% 2026 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.507%
|
5.507%
|
5.507%
|
|
|
| Total principal amount of debt |
$ 0
|
|
|
1,500
|
|
| 2.60% notes due 2026 (2.60% 2026 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.60%
|
2.60%
|
2.60%
|
|
|
| Total principal amount of debt |
$ 1,250
|
|
|
1,250
|
|
| Term loan due October 2026 | Secured Debt |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Total principal amount of debt |
$ 1,800
|
|
|
1,800
|
|
| 5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.50%
|
5.50%
|
5.50%
|
|
|
| Principal amount | £ |
|
|
£ 475,000,000
|
|
|
| Total principal amount of debt |
$ 639
|
|
|
595
|
|
| 2.20% notes due 2027 (2.20% 2027 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.20%
|
2.20%
|
2.20%
|
|
|
| Total principal amount of debt |
$ 1,724
|
|
|
1,724
|
|
| 3.20% notes due 2027 (3.20% 2027 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.20%
|
3.20%
|
3.20%
|
|
|
| Total principal amount of debt |
$ 1,000
|
|
|
1,000
|
|
| 5.15% notes due 2028 (5.15% 2028 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.15%
|
5.15%
|
5.15%
|
|
|
| Total principal amount of debt |
$ 3,750
|
|
|
3,750
|
|
| 1.65% notes due 2028 (1.65% 2028 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
1.65%
|
1.65%
|
1.65%
|
|
|
| Total principal amount of debt |
$ 1,234
|
|
|
1,234
|
|
| 3.00% notes due 2029 (3.00% 2029 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.00%
|
3.00%
|
3.00%
|
|
|
| Total principal amount of debt |
$ 750
|
|
|
750
|
|
| 4.05% notes due 2029 (4.05% 2029 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.05%
|
4.05%
|
4.05%
|
|
|
| Total principal amount of debt |
$ 1,250
|
|
|
1,250
|
|
| 4.00% £700 million notes due 2029 (4.00% 2029 pound sterling Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.00%
|
4.00%
|
4.00%
|
|
|
| Principal amount | £ |
|
|
£ 700,000,000
|
|
|
| Total principal amount of debt |
$ 941
|
|
|
876
|
|
| 2.45% notes due 2030 (2.45% 2030 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.45%
|
2.45%
|
2.45%
|
|
|
| Total principal amount of debt |
$ 1,250
|
|
|
1,250
|
|
| 5.25% notes due 2030 (5.25% 2030 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.25%
|
5.25%
|
5.25%
|
|
|
| Total principal amount of debt |
$ 2,750
|
|
|
2,750
|
|
| 2.30% notes due 2031 (2.30% 2031 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.30%
|
2.30%
|
2.30%
|
|
|
| Total principal amount of debt |
$ 1,250
|
|
|
1,250
|
|
| 2.00% notes due 2032 (2.00% 2032 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.00%
|
2.00%
|
2.00%
|
|
|
| Total principal amount of debt |
$ 987
|
|
|
1,001
|
|
| 3.35% notes due 2032 (3.35% 2032 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.35%
|
3.35%
|
3.35%
|
|
|
| Total principal amount of debt |
$ 1,000
|
|
|
1,000
|
|
| 4.20% notes due 2033 (4.20% 2033 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.20%
|
4.20%
|
4.20%
|
|
|
| Total principal amount of debt |
$ 750
|
|
|
750
|
|
| 5.25% notes due 2033 (5.25% 2033 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.25%
|
5.25%
|
5.25%
|
|
|
| Total principal amount of debt |
$ 4,250
|
|
|
4,250
|
|
| 6.375% notes due 2037 (6.375% 2037 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
6.375%
|
6.375%
|
6.375%
|
|
|
| Total principal amount of debt |
$ 478
|
|
|
478
|
|
| 6.90% notes due 2038 (6.90% 2038 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
6.90%
|
6.90%
|
6.90%
|
|
|
| Total principal amount of debt |
$ 254
|
|
|
254
|
|
| 6.40% notes due 2039 (6.40% 2039 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
6.40%
|
6.40%
|
6.40%
|
|
|
| Total principal amount of debt |
$ 333
|
|
|
333
|
|
| 3.15% notes due 2040 (3.15% 2040 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.15%
|
3.15%
|
3.15%
|
|
3.15%
|
| Total principal amount of debt |
$ 1,478
|
|
|
1,668
|
|
| 5.75% notes due 2040 (5.75% 2040 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.75%
|
5.75%
|
5.75%
|
|
|
| Total principal amount of debt |
$ 373
|
|
|
373
|
|
| 2.80% notes due 2041 (2.80% 2041 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.80%
|
2.80%
|
2.80%
|
|
2.80%
|
| Total principal amount of debt |
$ 568
|
|
|
776
|
|
| 4.95% notes due 2041 (4.95% 2041 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.95%
|
4.95%
|
4.95%
|
|
|
| Total principal amount of debt |
$ 600
|
|
|
600
|
|
| 5.15% notes due 2041 (5.15% 2041 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.15%
|
5.15%
|
5.15%
|
|
|
| Total principal amount of debt |
$ 729
|
|
|
729
|
|
| 5.65% notes due 2042 (5.65% 2042 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.65%
|
5.65%
|
5.65%
|
|
|
| Total principal amount of debt |
$ 415
|
|
|
415
|
|
| 5.60% notes due 2043 (5.60% 2043 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.60%
|
5.60%
|
5.60%
|
|
|
| Total principal amount of debt |
$ 2,750
|
|
|
2,750
|
|
| 5.375% notes due 2043 (5.375% 2043 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.375%
|
5.375%
|
5.375%
|
|
|
| Total principal amount of debt |
$ 185
|
|
|
185
|
|
| 4.40% notes due 2045 (4.40% 2045 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.40%
|
4.40%
|
4.40%
|
|
|
| Total principal amount of debt |
$ 2,250
|
|
|
2,250
|
|
| 4.563% notes due 2048 (4.563% 2048 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.563%
|
4.563%
|
4.563%
|
|
|
| Total principal amount of debt |
$ 1,415
|
|
|
1,415
|
|
| 3.375% notes due 2050 (3.375% 2050 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.375%
|
3.375%
|
3.375%
|
|
3.375%
|
| Total principal amount of debt |
$ 1,462
|
|
|
1,764
|
|
| 4.663% notes due 2051 (4.663% 2051 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.663%
|
4.663%
|
4.663%
|
|
|
| Total principal amount of debt |
$ 3,541
|
|
|
3,541
|
|
| 3.00% notes due 2052 (3.00% 2052 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
3.00%
|
3.00%
|
3.00%
|
|
3.00%
|
| Total principal amount of debt |
$ 703
|
|
|
890
|
|
| 4.20% notes due 2052 (4.20% 2052 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.20%
|
4.20%
|
4.20%
|
|
4.20%
|
| Total principal amount of debt |
$ 882
|
|
|
895
|
|
| 4.875% notes due 2053 (4.875% 2053 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.875%
|
4.875%
|
4.875%
|
|
|
| Total principal amount of debt |
$ 1,000
|
|
|
1,000
|
|
| 5.65% notes due 2053 (5.65% 2053 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.65%
|
5.65%
|
5.65%
|
|
|
| Total principal amount of debt |
$ 4,250
|
|
|
4,250
|
|
| 2.77% notes due 2053 (2.77% 2053 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
2.77%
|
2.77%
|
2.77%
|
|
|
| Total principal amount of debt |
$ 940
|
|
|
940
|
|
| 4.40% notes due 2062 (4.40% 2062 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
4.40%
|
4.40%
|
4.40%
|
|
4.40%
|
| Total principal amount of debt |
$ 1,128
|
|
|
1,165
|
|
| 5.75% notes due 2063 (5.75% 2063 Notes) | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Interest rate, stated percentage |
5.75%
|
5.75%
|
5.75%
|
|
|
| Total principal amount of debt |
$ 2,750
|
|
|
2,750
|
|
| Other notes due 2097 | Notes |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Total principal amount of debt |
$ 100
|
|
|
$ 100
|
|