ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) - Schedule of Changes in AOCI By Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 14,599,844	$ 14,063,566
OCI Before Reclassifications	(4,100)	23,400
Amounts Reclassified from AOCI	7,000	10,700
Net OCI	2,900	34,100
Ending balance	15,473,158	14,599,844
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(42,275)	(76,411)
Ending balance	(39,421)	(42,275)
Qualified Cash Flow Hedging Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(400)	(1,400)
OCI Before Reclassifications	0	0
Amounts Reclassified from AOCI	0	1,000
Net OCI	0	1,000
Ending balance	(400)	(400)
Unrealized Gains/(Losses) on Marketable Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	400	1,100
OCI Before Reclassifications	(1,600)	(700)
Amounts Reclassified from AOCI	0	0
Net OCI	(1,600)	(700)
Ending balance	(1,200)	400
Defined Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(42,300)	(76,100)
OCI Before Reclassifications	(2,500)	24,100
Amounts Reclassified from AOCI	7,000	9,700
Net OCI	4,500	33,800
Ending balance	$ (37,800)	$ (42,300)