Financing (Components of Debt) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions	Mar. 27, 2026 USD ($)	Mar. 27, 2026 EUR (€)	Mar. 27, 2026 CHF (SFr)	Mar. 27, 2026 JPY (¥)	Mar. 18, 2026 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 CHF (SFr)	Dec. 31, 2025 JPY (¥)
Debt Instrument [Line Items]
Subtotal	$ 18,484					$ 18,418
Less: currently payable	(923)					(2)
Long-term debt	17,561					18,416
Euro-denominated commercial paper
Debt Instrument [Line Items]
Long-term debt	2,800
Other
Debt Instrument [Line Items]
Subtotal	2					1
Commercial paper | Euro-denominated commercial paper
Debt Instrument [Line Items]
Subtotal	2,825	€ 2,500				1,097	€ 933
Senior notes | 0.2% senior notes due 2026
Debt Instrument [Line Items]
Subtotal	$ 0					$ 1,469
Interest rate of debt instrument	0.20%	0.20%	0.20%	0.20%		0.20%	0.20%	0.20%	0.20%
Aggregate principal amount | €		€ 1,300			€ 1,300		€ 1,300
Senior notes | 2.1% senior notes due 2026
Debt Instrument [Line Items]
Subtotal	$ 921					$ 940
Interest rate of debt instrument	2.10%	2.10%	2.10%	2.10%		2.10%	2.10%	2.10%	2.10%
Aggregate principal amount | €		€ 800					€ 800
Senior notes | 0.3% senior notes due 2027
Debt Instrument [Line Items]
Subtotal	$ 192					$ 196
Interest rate of debt instrument	0.30%	0.30%	0.30%	0.30%		0.30%	0.30%	0.30%	0.30%
Aggregate principal amount | ¥				¥ 30.8					¥ 30.8
Senior notes | 1.2% senior notes due 2027
Debt Instrument [Line Items]
Subtotal	$ 690					$ 704
Interest rate of debt instrument	1.20%	1.20%	1.20%	1.20%		1.20%	1.20%	1.20%	1.20%
Aggregate principal amount | €		€ 600					€ 600
Senior notes | 0.45% senior notes due 2028
Debt Instrument [Line Items]
Subtotal	$ 1,437					$ 1,466
Interest rate of debt instrument	0.45%	0.45%	0.45%	0.45%		0.45%	0.45%	0.45%	0.45%
Aggregate principal amount | €		€ 1,300					€ 1,300
Senior notes | 2.6% senior notes due 2029
Debt Instrument [Line Items]
Subtotal	$ 798					$ 798
Interest rate of debt instrument	2.60%	2.60%	2.60%	2.60%		2.60%	2.60%	2.60%	2.60%
Aggregate principal amount	$ 800					$ 800
Senior notes | 2.5% senior notes due 2030
Debt Instrument [Line Items]
Subtotal	$ 921					$ 940
Interest rate of debt instrument	2.50%	2.50%	2.50%	2.50%		2.50%	2.50%	2.50%	2.50%
Aggregate principal amount | €		€ 800					€ 800
Senior notes | 0.75% senior notes due 2031
Debt Instrument [Line Items]
Subtotal	$ 2,009					$ 2,050
Interest rate of debt instrument	0.75%	0.75%	0.75%	0.75%		0.75%	0.75%	0.75%	0.75%
Aggregate principal amount | €		€ 1,800					€ 1,800
Senior notes | 0.65% senior notes due 2032
Debt Instrument [Line Items]
Subtotal	$ 331					$ 339
Interest rate of debt instrument	0.65%	0.65%	0.65%	0.65%		0.65%	0.65%	0.65%	0.65%
Aggregate principal amount | ¥				¥ 53.2					¥ 53.2
Senior notes | 1.35% senior notes due 2039
Debt Instrument [Line Items]
Subtotal	$ 1,427					$ 1,456
Interest rate of debt instrument	1.35%	1.35%	1.35%	1.35%		1.35%	1.35%	1.35%	1.35%
Aggregate principal amount | €		€ 1,300					€ 1,300
Senior notes | 3.25% senior notes due 2039
Debt Instrument [Line Items]
Subtotal	$ 892					$ 892
Interest rate of debt instrument	3.25%	3.25%	3.25%	3.25%		3.25%	3.25%	3.25%	3.25%
Aggregate principal amount	$ 900					$ 900
Senior notes | 4.375% senior notes due 2045
Debt Instrument [Line Items]
Subtotal	$ 500					$ 500
Interest rate of debt instrument	4.375%	4.375%	4.375%	4.375%		4.375%	4.375%	4.375%	4.375%
Aggregate principal amount	$ 500					$ 500
Senior notes | 1.8% senior notes due 2049
Debt Instrument [Line Items]
Subtotal	$ 857					$ 873
Interest rate of debt instrument	1.80%	1.80%	1.80%	1.80%		1.80%	1.80%	1.80%	1.80%
Aggregate principal amount | €		€ 750					€ 750
Senior notes | 3.4% senior notes due 2049
Debt Instrument [Line Items]
Subtotal	$ 891					$ 891
Interest rate of debt instrument	3.40%	3.40%	3.40%	3.40%		3.40%	3.40%	3.40%	3.40%
Aggregate principal amount	$ 900					$ 900
Senior notes | 2.6% senior notes due 2050
Debt Instrument [Line Items]
Subtotal	$ 983					$ 983
Interest rate of debt instrument	2.60%	2.60%	2.60%	2.60%		2.60%	2.60%	2.60%	2.60%
Aggregate principal amount	$ 1,000					$ 1,000
Senior notes | 2.8% senior unsecured notes due 2051
Debt Instrument [Line Items]
Subtotal	$ 987					$ 985
Interest rate of debt instrument	2.80%	2.80%	2.80%	2.80%		2.80%	2.80%	2.80%	2.80%
Aggregate principal amount	$ 1,000					$ 1,000
Bonds | 0.4773% 2027 CHF Bonds
Debt Instrument [Line Items]
Subtotal	$ 312					$ 315
Interest rate of debt instrument	0.4773%	0.4773%	0.4773%	0.4773%		0.4773%	0.4773%	0.4773%	0.4773%
Aggregate principal amount | SFr			SFr 250					SFr 250
Bonds | 1.125% senior bonds due 2028
Debt Instrument [Line Items]
Subtotal	$ 264					$ 267
Interest rate of debt instrument	1.125%	1.125%	1.125%	1.125%		1.125%	1.125%	1.125%	1.125%
Aggregate principal amount | SFr			SFr 210					SFr 210
Bonds | 0.8875% 2029 CHF Bonds
Debt Instrument [Line Items]
Subtotal	$ 405					$ 409
Interest rate of debt instrument	0.8875%	0.8875%	0.8875%	0.8875%		0.8875%	0.8875%	0.8875%	0.8875%
Aggregate principal amount | SFr			SFr 325					SFr 325
Bonds | 1.265% 2033 CHF Bonds
Debt Instrument [Line Items]
Subtotal	$ 405					$ 408
Interest rate of debt instrument	1.265%	1.265%	1.265%	1.265%		1.265%	1.265%	1.265%	1.265%
Aggregate principal amount | SFr			SFr 325					SFr 325
Bonds | 1.6249% 2037 CHF Bonds
Debt Instrument [Line Items]
Subtotal	$ 280					$ 282
Interest rate of debt instrument	1.6249%	1.6249%	1.6249%	1.6249%		1.6249%	1.6249%	1.6249%	1.6249%
Aggregate principal amount | SFr			SFr 225					SFr 225
Bonds | 1.94% 2045 CHF Bonds
Debt Instrument [Line Items]
Subtotal	$ 155					$ 157
Interest rate of debt instrument	1.94%	1.94%	1.94%	1.94%		1.94%	1.94%	1.94%	1.94%
Aggregate principal amount | SFr			SFr 125					SFr 125