Valuation of debt and equity investments and certain liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Investments

Details of our investments are as follows:

	March 31, 2022						December 31, 2021
	Cash and Cash Equivalents		Short-Term Investments		Long-Term Investments		Cash and Cash Equivalents		Short-Term Investments		Long-Term Investments
Measured at fair value:
Money market funds	$	1,041	$	—	$	—	$	1,824	$	—	$	—
Corporate obligations	670		1,104		—		1,060		1,070		—
U.S. government and agency securities	846		4,917		—		642		3,388		—
Non-U.S. government and agency securities	100		299		—		300		650		—
Mutual funds	—		—		13		—		—		16
Total	2,657		6,320		13		3,826		5,108		16
Other measurement basis:
Equity-method investments	—		—		33		—		—		42
Non-marketable equity investments	—		—		4		—		—		4
Cash on hand	848		—		—		805		—		—
Total	$	3,505	$	6,320	$	50	$	4,631	$	5,108	$	62

Assets and Liabilities Accounted for at Fair Value

The following are our assets and liabilities that were accounted for at fair value on a recurring basis. These tables do not include cash on hand, assets held by our postretirement plans, or assets and liabilities that are measured at historical cost or any basis other than fair value.

	March 31, 2022						December 31, 2021
	Level 1		Level 2		Total		Level 1		Level 2		Total
Assets:
Money market funds	$	1,041	$	—	$	1,041	$	1,824	$	—	$	1,824
Corporate obligations	—		1,774		1,774		—		2,130		2,130
U.S. government and agency securities	5,413		350		5,763		3,629		401		4,030
Non-U.S. government and agency securities	—		399		399		—		950		950
Mutual funds	13		—		13		16		—		16
Total assets	$	6,467	$	2,523	$	8,990	$	5,469	$	3,481	$	8,950
Liabilities:
Deferred compensation	$	350	$	—	$	350	$	395	$	—	$	395
Total liabilities	$	350	$	—	$	350	$	395	$	—	$	395