Financing (Components Of Debt) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions	Apr. 03, 2020 CHF (SFr)	Apr. 03, 2020 JPY (¥)	Apr. 03, 2020 USD ($)	Apr. 03, 2020 EUR (€)	Mar. 30, 2020 EUR (€)	Dec. 31, 2019 CHF (SFr)	Dec. 31, 2019 JPY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)
Debt Instrument [Line Items]
Long-term debt			$ 25,971.5					$ 21,729.1
Less: currently payable			3,234.3					212.4
Long-term debt excluding currently payable			22,737.2					21,516.7
Other
Debt Instrument [Line Items]
Long-term debt			27.0					76.3
Revolving credit facility | 364-day revolving credit facility
Debt Instrument [Line Items]
Long-term debt			0.0					0.0
Revolving credit facility | 5-year revolving credit facility
Debt Instrument [Line Items]
Long-term debt			2,500.0					0.0
Commercial paper | Euro-denominated commercial paper
Debt Instrument [Line Items]
Long-term debt			4,616.0	€ 4,300.0				5,146.2	€ 4,600.0
Commercial paper | U.S. dollar-denominated commercial paper
Debt Instrument [Line Items]
Long-term debt			790.2					0.0
Senior notes | 0.352% senior notes due 2021
Debt Instrument [Line Items]
Long-term debt			$ 276.7					275.8
Interest rate of debt instrument	0.352%	0.352%	0.352%	0.352%
Aggregate principal amount | ¥		¥ 30.0					¥ 30.0
Senior notes | 1.7% senior notes due 2022
Debt Instrument [Line Items]
Long-term debt			$ 863.8					894.8
Interest rate of debt instrument	1.70%	1.70%	1.70%	1.70%
Aggregate principal amount | €				€ 800.0					800.0
Senior notes | Floating rate senior notes due 2022
Debt Instrument [Line Items]
Long-term debt			$ 270.1					279.8
Aggregate principal amount | €				€ 250.0					250.0
Senior notes | 2.05% senior notes due 2022
Debt Instrument [Line Items]
Long-term debt			$ 697.3					696.9
Interest rate of debt instrument	2.05%	2.05%	2.05%	2.05%
Senior notes | 1.7% senior notes due 2024
Debt Instrument [Line Items]
Long-term debt			$ 805.5					0.0
Interest rate of debt instrument	1.70%	1.70%	1.70%	1.70%	1.70%
Aggregate principal amount | €				€ 750.0	€ 750.0				0.0
Senior notes | 2.2% senior notes due 2024
Debt Instrument [Line Items]
Long-term debt			$ 696.2					696.2
Interest rate of debt instrument	2.20%	2.20%	2.20%	2.20%
Senior notes | 2.5% senior notes due 2025
Debt Instrument [Line Items]
Long-term debt			$ 862.6					893.7
Interest rate of debt instrument	2.50%	2.50%	2.50%	2.50%
Aggregate principal amount | €				€ 800.0					800.0
Senior notes | 3.35% senior notes due 2025
Debt Instrument [Line Items]
Long-term debt			$ 497.4					497.3
Interest rate of debt instrument	3.35%	3.35%	3.35%	3.35%
Senior notes | 0.2% senior notes due 2026
Debt Instrument [Line Items]
Long-term debt			$ 1,343.6					1,392.3
Interest rate of debt instrument	0.20%	0.20%	0.20%	0.20%
Aggregate principal amount | €				€ 1,300.0					1,300.0
Senior notes | 2.1% senior notes due 2026
Debt Instrument [Line Items]
Long-term debt			$ 534.9					0.0
Interest rate of debt instrument	2.10%	2.10%	2.10%	2.10%	2.10%
Aggregate principal amount | €				€ 500.0	€ 500.0				0.0
Senior notes | 0.3% senior notes due 2027
Debt Instrument [Line Items]
Long-term debt			$ 283.4					282.5
Interest rate of debt instrument	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]
Long-term debt			$ 644.7					668.0
Interest rate of debt instrument	1.20%	1.20%	1.20%	1.20%
Aggregate principal amount | €				€ 600.0					600.0
Senior notes | 0.45% senior notes due 2028
Debt Instrument [Line Items]
Long-term debt			$ 1,341.7					1,390.1
Interest rate of debt instrument	0.45%	0.45%	0.45%	0.45%
Aggregate principal amount | €				€ 1,300.0					1,300.0
Senior notes | 2.6% senior notes due 2029
Debt Instrument [Line Items]
Long-term debt			$ 794.3					794.8
Interest rate of debt instrument	2.60%	2.60%	2.60%	2.60%
Senior notes | 2.5% senior notes due 2030
Debt Instrument [Line Items]
Long-term debt			$ 535.3					0.0
Interest rate of debt instrument	2.50%	2.50%	2.50%	2.50%	2.50%
Aggregate principal amount | €				€ 500.0	€ 500.0				0.0
Senior notes | 0.75% senior notes due 2031
Debt Instrument [Line Items]
Long-term debt			$ 1,880.8					1,948.7
Interest rate of debt instrument	0.75%	0.75%	0.75%	0.75%
Aggregate principal amount | €				€ 1,800.0					1,800.0
Senior notes | 0.65% senior notes due 2032
Debt Instrument [Line Items]
Long-term debt			$ 489.3					487.8
Interest rate of debt instrument	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]
Long-term debt			$ 1,335.1					1,383.6
Interest rate of debt instrument	1.35%	1.35%	1.35%	1.35%
Aggregate principal amount | €				€ 1,300.0					1,300.0
Senior notes | 3.25% senior notes due 2039
Debt Instrument [Line Items]
Long-term debt			$ 888.9					890.3
Interest rate of debt instrument	3.25%	3.25%	3.25%	3.25%
Senior notes | 4.375% senior notes due 2045
Debt Instrument [Line Items]
Long-term debt			$ 499.4					499.4
Interest rate of debt instrument	4.375%	4.375%	4.375%	4.375%
Senior notes | 1.8% senior notes due 2049
Debt Instrument [Line Items]
Long-term debt			$ 801.7					830.9
Interest rate of debt instrument	1.80%	1.80%	1.80%	1.80%
Aggregate principal amount | €				€ 750.0					€ 750.0
Senior notes | 3.4% senior notes due 2049
Debt Instrument [Line Items]
Long-term debt			$ 888.4					890.2
Interest rate of debt instrument	3.40%	3.40%	3.40%	3.40%
Convertible debt | Zero-coupon LYONs due 2021
Debt Instrument [Line Items]
Long-term debt			$ 33.2					33.6
Interest rate of debt instrument	0.00%	0.00%	0.00%	0.00%
Bonds | 0.5% senior bonds due 2023
Debt Instrument [Line Items]
Long-term debt			$ 554.7					558.9
Interest rate of debt instrument	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]
Long-term debt			$ 219.3					$ 221.0
Interest rate of debt instrument	1.125%	1.125%	1.125%	1.125%
Aggregate principal amount | SFr	SFr 210					SFr 210