Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Current portion of long-term debt	$ 795	$ 326
Current portion of long-term debt and short-term borrowings	804	326
Total long-term debt, including current portion	8,425	7,211
Long-term debt	$ 7,630	$ 6,885
Short-Term Debt
Debt Instrument [Line Items]
Debt interest rate, percentage	3.25%	3.25%
Short-term borrowings, average rate 3.25%	$ 9
Debentures, 6.85%, due 2029
Debt Instrument [Line Items]
Debt interest rate, percentage	6.85%	6.85%
Long-term debt	$ 150	$ 156
Debentures, 7.25%, due 2036
Debt Instrument [Line Items]
Debt interest rate, percentage	7.25%	7.25%
Long-term debt	$ 249	$ 249
Debentures, 4.70%, due 2037
Debt Instrument [Line Items]
Debt interest rate, percentage	4.70%	4.70%
Long-term debt	$ 297	$ 297
Debentures, 5.75%, due 2040
Debt Instrument [Line Items]
Debt interest rate, percentage	5.75%	5.75%
Long-term debt	$ 401	$ 397
Debentures, 4.75%, due 2042
Debt Instrument [Line Items]
Debt interest rate, percentage	4.75%	4.75%
Long-term debt	$ 497	$ 497
Debentures, 5.35%, due 2048
Debt Instrument [Line Items]
Debt interest rate, percentage	5.35%	5.35%
Long-term debt	$ 545	$ 545
Debentures, 3.90%, due 2049
Debt Instrument [Line Items]
Debt interest rate, percentage	3.90%	3.90%
Long-term debt	$ 396	$ 396
Debentures, 4.375%, due 2057
Debt Instrument [Line Items]
Debt interest rate, percentage	4.375%	4.375%
Long-term debt	$ 744	$ 743
Debentures, 5.85%, due 2068
Debt Instrument [Line Items]
Debt interest rate, percentage	5.85%	5.85%
Long-term debt	$ 297	$ 297
Debentures, 5.45%, due 2079
Debt Instrument [Line Items]
Debt interest rate, percentage	5.45%	5.45%
Long-term debt	$ 1,087	$ 1,087
Yen-denominated debentures, 0.722%, due 2025
Debt Instrument [Line Items]
Debt interest rate, percentage	0.722%	0.722%
Long-term debt		$ 64
Yen-denominated debentures, 0.992%, due 2027
Debt Instrument [Line Items]
Debt interest rate, percentage	0.992%	0.992%
Long-term debt	$ 237	$ 236
Yen-denominated debentures, 1.043%, due 2028
Debt Instrument [Line Items]
Debt interest rate, percentage	1.043%	1.043%
Long-term debt	$ 163	$ 163
Yen-denominated debentures, 1.219%, due 2030
Debt Instrument [Line Items]
Debt interest rate, percentage	1.219%	1.219%
Long-term debt	$ 159	$ 159
Yen-denominated debentures, 1.153%, due 2031
Debt Instrument [Line Items]
Debt interest rate, percentage	1.153%	1.153%
Long-term debt	$ 199	$ 198
Yen-denominated debentures, 1.583%, due 2037
Debt Instrument [Line Items]
Debt interest rate, percentage	1.583%	1.583%
Long-term debt	$ 63	$ 63
Yen-denominated debentures, 1.513%, due 2039
Debt Instrument [Line Items]
Debt interest rate, percentage	1.513%	1.513%
Long-term debt	$ 38	$ 37
Euro-denominated notes, 3.875%, due 2026
Debt Instrument [Line Items]
Debt interest rate, percentage	3.875%	3.875%
Long-term debt	$ 352	$ 311
Euro-denominated notes, 4.125%, due 2031
Debt Instrument [Line Items]
Debt interest rate, percentage	4.125%	4.125%
Long-term debt	$ 642	$ 568
Financing Leases, average discount rate 5.86%, due through 2045 (Note 8)
Debt Instrument [Line Items]
Debt interest rate, percentage	5.86%	5.86%
Long-term debt	$ 1,232	$ 174
Other, average rate 3.86%, due through 2042
Debt Instrument [Line Items]
Debt interest rate, percentage	3.86%	3.86%
Long-term debt	$ 677	$ 574