Financing (Components of Debt) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 CHF (SFr)	Dec. 31, 2022 JPY (¥)	Nov. 15, 2022 EUR (€)	Jun. 30, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 CHF (SFr)	Dec. 31, 2021 JPY (¥)
Debt Instrument [Line Items]
Total debt	$ 19,677						$ 22,176
Less: currently payable	(591)						(8)
Long-term debt	19,086						22,168
U.S. dollar-denominated commercial paper | Commercial paper
Debt Instrument [Line Items]
Total debt	0						1,440
Euro-denominated commercial paper | Commercial paper
Debt Instrument [Line Items]
Total debt	2,013	€ 1,900					1,366	€ 1,200
Floating rate senior unsecured notes due 2022 | Senior notes
Debt Instrument [Line Items]
Total debt	0						284
Debt instrument, face amount | €		€ 250				€ 250		€ 250
2.05% senior unsecured notes due 2022 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 0						$ 699
Interest rate of debt instrument	2.05%	2.05%	2.05%	2.05%			2.05%	2.05%	2.05%	2.05%
Debt instrument, face amount	$ 700				€ 700		$ 700
0.5% senior unsecured bonds due 2023 | Bonds
Debt Instrument [Line Items]
Total debt	$ 584						$ 592
Interest rate of debt instrument	0.50%	0.50%	0.50%	0.50%			0.50%	0.50%	0.50%	0.50%
Debt instrument, face amount | SFr			SFr 540						SFr 540
1.7% senior notes due 2024 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 962						$ 1,021
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
2.2% senior unsecured notes due 2024 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 698						$ 698
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
3.35% senior unsecured notes due 2025 | Senior notes
Debt Instrument [Line Items]
Total debt	$ 499						$ 498
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	$ 1,333						$ 1,416
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	$ 854						$ 907
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	$ 234						$ 267
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	$ 639						$ 680
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	$ 1,331						$ 1,413
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	$ 230						$ 233
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	$ 796						$ 795
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	$ 856						$ 910
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	$ 1,863						$ 1,980
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	$ 404						$ 461
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	$ 1,323						$ 1,406
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	$ 890						$ 890
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	$ 794						$ 844
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	$ 889						$ 889
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	$ 981						$ 980
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	$ 984						$ 983
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	$ 21						$ 25