Supplementary Information

12 Months Ended

Dec. 31, 2021

Other Liabilities Disclosure [Abstract]

Supplementary Information

SUPPLEMENTARY INFORMATION

ALL OTHER CURRENT LIABILITIES

All other current liabilities as of December 31, 2021 and 2020 include $953 million and $907 million, respectively, of employee related liabilities.

ALLOWANCE FOR CREDIT LOSSES

The change in allowance for credit losses is as follows:

	2021		2020
Balance at beginning of year	$	373	$	323
Provision	72		66
Write-offs & other	(45)		(16)
Balance at end of year	$	400	$	373

CASH FLOW DISCLOSURES

Supplemental cash flow disclosures are as follows for the years ended December 31:

	2021		2020		2019
Income taxes paid, net of refunds	$	314	$	452	$	446
Interest paid	$	305	$	289	$	285