Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement Of Partners Capital [Abstract]
Net income	$ 701,624	$ 362,174
Other comprehensive income (loss), net of tax and reclassification adjustments:
Net unrealized gains (losses) on investment securities	65,140	(136,367)
Cash flow hedges adjustments	80,933	(114,061)
Foreign currency translation adjustments	1,194	(1,648)
Defined benefit plans liability adjustments	(2,242)	2,269
Total other comprehensive income (loss)	145,025	(249,807)
Total comprehensive income	$ 846,649	$ 112,367