Changes in Accumulated Other Comprehensive Income (Loss) (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ 22	$ (170)	$ 126	$ (198)
Decrease due to amounts reclassified into earnings
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ 0	$ 0	$ 0	$ 0