Supplementary Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Cash Paid (Refunded) for Interest and Income Taxes

Cash paid for interest and income taxes was as follows:

(Stated in millions)
	2023		2022		2021
Interest	$	503	$	562	$	560
Income taxes	$	1,064	$	716	$	591

Interest and Other Income, Net

Interest and other income, net includes the following:

(Stated in millions)
	2023		2022			2021
Earnings of equity method investments	$	206	$	164		$	40
Interest income		100		99			33
Gain on sale of Liberty shares *		36		325			28
Loss on Blue Chip Swap transactions *		-		(139	)		-
Gain on ADC equity investment *		-		107			-
Gain on sale of real estate *		-		43			-
Gain on repurchase of bonds *		-		11			-
Unrealized gain on marketable securities *		-		-			47
	$	342	$	610		$	148

* 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)
	2023		2022		2021
Depreciation of fixed assets	$	1,445	$	1,368	$	1,402
Amortization of APS investments		410		368		305
Amortization of intangible assets		314		301		302
Amortization of exploration data costs		143		110		111
	$	2,312	$	2,147	$	2,120

Change in Allowance for Doubtful Accounts

The change in Allowance for doubtful accounts was as follows:

(Stated in millions)
	2023			2022			2021
Balance at beginning of year	$	340		$	319		$	301
Additions		18			54			47
Amounts written off		(21	)		(33	)		(29	)
Balance at end of year	$	337		$	340		$	319

Summary of Other Assets

Other Assets consist of the following:

(Stated in millions)
	2023		2022
Investments in APS projects	$	2,111	$	2,023
Pension and other postretirement plan assets		629		904
Operating lease assets		718		538
Exploration data costs capitalized		151		141
Fair value of hedge contracts		65		1
Other		378		363
	$	4,052	$	3,970

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consist of the following:

(Stated in millions)
	2023		2022
Trade	$	4,613	$	3,921
Payroll, vacation and employee benefits		1,625		1,493
Billings and cash collections in excess of revenue		1,996		1,157
Other		2,670		2,550
	$	10,904	$	9,121