Supplementary Information (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Cash Paid (Refunded) for Interest and Income Taxes

Cash paid for interest and income taxes was as follows:  

(Stated in millions)
	2022		2021		2020
Interest	$	562	$	560	$	598
Income tax	$	716	$	591	$	582

Interest and Other Income, Net

Interest and other income, net includes the following:

(Stated in millions)
	2022			2021		2020
Gain on sale of Liberty shares *	$	325		$	28	$	-
Loss on Blue Chip Swap transactions *		(139	)		-		-
Gain on ADC equity investment *		107			-		-
Earnings of equity method investments		164			40		91
Interest income		99			33		33
Gain on sale of real estate *		43			-		-
Gain on repurchase of bonds *		11			-		-
Unrealized gain on marketable securities *		-			47		39
Gain on sale of OneStim *		-			-		104
	$	610		$	148	$	267

* See Note 3 – Charges and Credits

Components of Depreciation and Amortization Expense

The components of depreciation and amortization expense were as follows:

(Stated in millions)
	2022		2021		2020
Depreciation of fixed assets	$	1,368	$	1,402	$	1,625
Amortization of APS investments		368		305		396
Amortization of intangible assets		301		302		371
Amortization of exploration data costs		110		111		174
	$	2,147	$	2,120	$	2,566

Change in Allowance for Doubtful Accounts

The change in Allowance for doubtful accounts was as follows:

(Stated in millions)
	2022			2021			2020
Balance at beginning of year	$	319		$	301		$	255
Additions		54			47			58
Amounts written off		(33	)		(29	)		(12	)
Balance at end of year	$	340		$	319		$	301

Summary of Other Assets

Other Assets consist of the following:

(Stated in millions)
	2022		2021
Investments in APS projects	$	2,023	$	1,786
Pension and other postretirement plan assets		904		1,034
Operating lease assets		538		553
Exploration data costs capitalized		141		154
Fair value of hedge contracts		1		66
Other		363		590
	$	3,970	$	4,183

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consist of the following:

(Stated in millions)
	2022		2021
Trade	$	3,921	$	3,205
Payroll, vacation and employee benefits		1,493		1,377
Billings and cash collections in excess of revenue		1,157		1,088
Other		2,550		2,712
	$	9,121	$	8,382