Financial Instruments (Effects of Net Investment Hedges on Accumulated Other Comprehensive Losses) (Details) - Net Investment Hedging [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) Loss Recognized in Accumulated Other Comprehensive Losses	$ (289)	$ (118)	$ (664)	$ (286)
(Gain) Loss Recognized in Net Earnings (Losses)			0	(7)
Foreign currency contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) Loss Recognized in Accumulated Other Comprehensive Losses	0	0	0	(16)
(Gain) Loss Recognized in Net Earnings (Losses)			0	(7)
Foreign currency denominated debt [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) Loss Recognized in Accumulated Other Comprehensive Losses	$ (289)	$ (118)	(664)	(270)
(Gain) Loss Recognized in Net Earnings (Losses)			$ 0	$ 0