Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Irish Income Tax (Provision) Benefit Tax Rate of 25%	$ (35)	$ 86	$ 454
Tax Provision on Operating Earnings/Losses Subject to Rates Different than the Irish Income Tax Rate	(155)	(189)	(361)
Tax (Provision) Benefit on Swiss Loss from internal liquidation of subsidiary	141	(124)	(179)
Decrease (Increase) in Valuation Allowance attributed to Swiss Loss	(141)	124	179
Decrease (Increase) in Valuation Allowance on Operating Earnings/Losses	64	52	(151)
Change in Uncertain Tax Positions	39	(35)	(27)
Income Tax Provision	$ (87)	$ (86)	$ (85)