Acquisitions (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
	Jan. 29, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Proceeds from secured borrowings relating to royalty arrangements				$ 256
Revenue from Contract with Customer, Excluding Assessed Tax		$ 2,543	$ 2,493
Interest Expense		88	109
Payments to Acquire Businesses, Net of Cash Acquired		0	321
Accounts, Notes, Loans and Financing Receivable, Net, Current		1,577		1,828
Inventory, Net		1,628		1,579
Other current assets		1,043		880
Other Intangible Assets, Net		7,393		7,886
Other long-term assets		1,538		1,529
Accrued Liabilities, Current		(1,562)		(2,109)
Other Liabilities, Noncurrent		2,412		2,635
Business Combination, Contingent Consideration, Liability		218		354
Goodwill		10,098		$ 10,176
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		(108)	$ (28)
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		658
Millipede, Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 90
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	20.00%
Payments to Acquire Businesses, Gross	$ 325
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 125
2019 Acquisitions [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		321
Business Combination, Contingent Consideration, Liability		83
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value		102
Goodwill		307
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		240
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		(1)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		(43)
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination		505
2019 Acquisitions [Member] | In Process Research and Development [Member]
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets Acquired		$ 240
Range of Risk Adjusted Discount Rates used in Purchase Price Allocation		19.00%