Financing (Components of Debt) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 JPY (¥)	Dec. 31, 2024 CHF (SFr)	Nov. 15, 2024 USD ($)	Apr. 02, 2024 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 JPY (¥)	Dec. 31, 2023 CHF (SFr)
Debt Instrument [Line Items]
Total debt	$ 16,005						$ 18,402
Less: currently payable	(505)						(1,695)
Long-term debt	15,500						16,707
Euro-denominated commercial paper | Commercial paper
Debt Instrument [Line Items]
Total debt	965	€ 931					1,026	€ 929
1.7% senior notes due 2024 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 0						$ 993
Interest rate of debt instrument	1.70%	1.70%	1.70%	1.70%			1.70%	1.70%	1.70%	1.70%
Debt instrument, face amount | €		€ 900				€ 900		€ 900
2.2% senior unsecured notes due 2024 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 0						$ 699
Interest rate of debt instrument	2.20%	2.20%	2.20%	2.20%			2.20%	2.20%	2.20%	2.20%
Debt instrument, face amount	$ 700				$ 700		$ 700
3.35% senior unsecured notes due 2025 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 500						$ 499
Interest rate of debt instrument	3.35%	3.35%	3.35%	3.35%			3.35%	3.35%	3.35%	3.35%
Debt instrument, face amount	$ 500						$ 500
0.2% senior unsecured notes due 2026 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 1,293						$ 1,376
Interest rate of debt instrument	0.20%	0.20%	0.20%	0.20%			0.20%	0.20%	0.20%	0.20%
Debt instrument, face amount | €		€ 1,300						€ 1,300
2.1% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 828						$ 881
Interest rate of debt instrument	2.10%	2.10%	2.10%	2.10%			2.10%	2.10%	2.10%	2.10%
Debt instrument, face amount | €		€ 800						€ 800
0.3% senior unsecured notes due 2027 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 195						$ 218
Interest rate of debt instrument	0.30%	0.30%	0.30%	0.30%			0.30%	0.30%	0.30%	0.30%
Debt instrument, face amount | ¥			¥ 30.8						¥ 30.8
1.2% senior unsecured notes due 2027 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 620						$ 660
Interest rate of debt instrument	1.20%	1.20%	1.20%	1.20%			1.20%	1.20%	1.20%	1.20%
Debt instrument, face amount | €		€ 600						€ 600
0.45% senior unsecured notes due 2028 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 1,291						$ 1,374
Interest rate of debt instrument	0.45%	0.45%	0.45%	0.45%			0.45%	0.45%	0.45%	0.45%
Debt instrument, face amount | €		€ 1,300						€ 1,300
1.125% senior unsecured bonds due 2028 | Bonds
Debt Instrument [Line Items]
Total debt	$ 233						$ 252
Interest rate of debt instrument	1.125%	1.125%	1.125%	1.125%			1.125%	1.125%	1.125%	1.125%
Debt instrument, face amount | SFr				SFr 210						SFr 210
2.6% senior unsecured notes due 2029 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 797						$ 797
Interest rate of debt instrument	2.60%	2.60%	2.60%	2.60%			2.60%	2.60%	2.60%	2.60%
Debt instrument, face amount	$ 800						$ 800
2.5% senior notes due 2030 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 829						$ 883
Interest rate of debt instrument	2.50%	2.50%	2.50%	2.50%			2.50%	2.50%	2.50%	2.50%
Debt instrument, face amount | €		€ 800						€ 800
0.75% senior unsecured notes due 2031 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 1,805						$ 1,923
Interest rate of debt instrument	0.75%	0.75%	0.75%	0.75%			0.75%	0.75%	0.75%	0.75%
Debt instrument, face amount | €		€ 1,800						€ 1,800
0.65% senior unsecured notes due 2032 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 337						$ 376
Interest rate of debt instrument	0.65%	0.65%	0.65%	0.65%			0.65%	0.65%	0.65%	0.65%
Debt instrument, face amount | ¥			¥ 53.2						¥ 53.2
1.35% senior unsecured notes due 2039 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 1,282						$ 1,365
Interest rate of debt instrument	1.35%	1.35%	1.35%	1.35%			1.35%	1.35%	1.35%	1.35%
Debt instrument, face amount | €		€ 1,300						€ 1,300
3.25% senior unsecured notes due 2039 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 892						$ 891
Interest rate of debt instrument	3.25%	3.25%	3.25%	3.25%			3.25%	3.25%	3.25%	3.25%
Debt instrument, face amount	$ 900						$ 900
4.375% senior unsecured notes due 2045 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 499						$ 499
Interest rate of debt instrument	4.375%	4.375%	4.375%	4.375%			4.375%	4.375%	4.375%	4.375%
Debt instrument, face amount	$ 500						$ 500
1.8% senior unsecured notes due 2049 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 769						$ 819
Interest rate of debt instrument	1.80%	1.80%	1.80%	1.80%			1.80%	1.80%	1.80%	1.80%
Debt instrument, face amount | €		€ 750						€ 750
3.4% senior unsecured notes due 2049 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 890						$ 890
Interest rate of debt instrument	3.40%	3.40%	3.40%	3.40%			3.40%	3.40%	3.40%	3.40%
Debt instrument, face amount	$ 900						$ 900
2.6% senior unsecured notes due 2050 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 982						$ 981
Interest rate of debt instrument	2.60%	2.60%	2.60%	2.60%			2.60%	2.60%	2.60%	2.60%
Debt instrument, face amount	$ 1,000						$ 1,000
2.8% senior unsecured notes due 2051 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 985						$ 984
Interest rate of debt instrument	2.80%	2.80%	2.80%	2.80%			2.80%	2.80%	2.80%	2.80%
Debt instrument, face amount	$ 1,000						$ 1,000
Other
Debt Instrument [Line Items]
Total debt	$ 13						$ 16