Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement Of Partners Capital [Abstract]
Net income	$ 362,174	$ 447,249
Other comprehensive income (loss), net of tax and reclassification adjustments:
Net unrealized gains (losses) on investment securities	(136,367)	(22,406)
Cash flow hedges adjustments	(114,061)	(66,777)
Foreign currency translation adjustments	(1,648)	548
Defined benefit plans liability adjustments	2,269	13,189
Total other comprehensive income (loss)	(249,807)	(75,446)
Total comprehensive income	$ 112,367	$ 371,803