Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement Of Partners Capital [Abstract]
Net income	$ 1,858,746	$ 1,353,152	$ 1,929,149
Other comprehensive income (loss), net of tax and reclassification adjustments:
Net unrealized gains (losses) on investment securities	(66,977)	107,222	184,906
Cash flow hedges adjustments	(210,626)	172,787	108,520
Foreign currency translation adjustments	(862)	2,284	1,091
Defined benefit plans liability adjustments	213,919	(138,645)	(81,116)
Total other comprehensive income (loss)	(64,546)	143,648	213,401
Total comprehensive income	$ 1,794,200	$ 1,496,800	$ 2,142,550