Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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Other Balance Sheet Accounts (Details) - USD ($) $ in Millions	1 Months Ended
	Mar. 31, 2020	Oct. 31, 2020	Jan. 31, 2020
Property, Plant and Equipment [Line Items]
Payment to acquire property	$ 150
Accrued compensation		$ 1,600	$ 1,500
Acquired in-place leases
Property, Plant and Equipment [Line Items]
Finite-lived intangible assets acquired	6
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, additions	110
Building
Property, Plant and Equipment [Line Items]
Property, plant and equipment, additions	$ 34