Financing (Components of Debt) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions	Sep. 30, 2022 USD ($)	Sep. 30, 2022 EUR (€)	Sep. 30, 2022 CHF (SFr)	Sep. 30, 2022 JPY (¥)	Jun. 30, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 CHF (SFr)	Dec. 31, 2021 JPY (¥)
Debt Instrument [Line Items]
Total debt	$ 19,247					$ 22,176
Less: currently payable	(705)					(8)
Long-term debt	18,542					22,168
Other
Debt Instrument [Line Items]
Total debt	15					25
Commercial paper | U.S. dollar-denominated commercial paper
Debt Instrument [Line Items]
Total debt	0					1,440
Commercial paper | Euro-denominated commercial paper
Debt Instrument [Line Items]
Total debt	1,845	€ 1,900				1,366	€ 1,200
Senior notes | Floating rate senior notes due 2022
Debt Instrument [Line Items]
Total debt	0					284
Aggregate principal amount | €		€ 250			€ 250		€ 250
Senior notes | 2.05% senior notes due 2022
Debt Instrument [Line Items]
Total debt	$ 700					$ 699
Interest rate of debt instrument	2.05%	2.05%	2.05%	2.05%		2.05%	2.05%	2.05%	2.05%
Aggregate principal amount	$ 700					$ 700
Senior notes | 1.7% senior notes due 2024
Debt Instrument [Line Items]
Total debt	$ 880					$ 1,021
Interest rate of debt instrument	1.70%	1.70%	1.70%	1.70%		1.70%	1.70%	1.70%	1.70%
Aggregate principal amount | €		€ 900					€ 900
Senior notes | 2.2% senior notes due 2024
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%
Aggregate principal amount	$ 700					$ 700
Senior notes | 3.35% senior notes due 2025
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%
Aggregate principal amount	$ 500					$ 500
Senior notes | 0.2% senior notes due 2026
Debt Instrument [Line Items]
Total debt	$ 1,220					$ 1,416
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
Senior notes | 2.1% senior notes due 2026
Debt Instrument [Line Items]
Total debt	$ 782					$ 907
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]
Total debt	$ 212					$ 267
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]
Total debt	$ 585					$ 680
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]
Total debt	$ 1,218					$ 1,413
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]
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%
Aggregate principal amount	$ 800					$ 800
Senior notes | 2.5% senior notes due 2030
Debt Instrument [Line Items]
Total debt	$ 784					$ 910
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]
Total debt	$ 1,705					$ 1,980
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]
Total debt	$ 366					$ 461
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]
Total debt	$ 1,210					$ 1,406
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]
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%
Aggregate principal amount	$ 900					$ 900
Senior notes | 4.375% senior notes due 2045
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%
Aggregate principal amount	$ 500					$ 500
Senior notes | 1.8% senior notes due 2049
Debt Instrument [Line Items]
Total debt	$ 726					$ 844
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]
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%
Aggregate principal amount	$ 900					$ 900
Senior notes | 2.6% senior notes due 2050
Debt Instrument [Line Items]
Total debt	$ 980					$ 980
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]
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%
Aggregate principal amount	$ 1,000					$ 1,000
Bonds | 0.5% senior bonds due 2023
Debt Instrument [Line Items]
Total debt	$ 548					$ 592
Interest rate of debt instrument	0.50%	0.50%	0.50%	0.50%		0.50%	0.50%	0.50%	0.50%
Aggregate principal amount | SFr			SFr 540					SFr 540
Bonds | 1.125% senior bonds due 2028
Debt Instrument [Line Items]
Total debt	$ 216					$ 233
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