Long-term Debt - EEGH - Maturity Schedule (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
2022	$ 1,265
2023	3,225
2024	2,736
2025	2,540
2026	1,474
2027 and thereafter	38,506
Total	49,746
Total long-term debt	49,762	$ 49,866
EEGH
Debt Instrument [Line Items]
2022	0
2023	650
2024	1,050
2025	0
2026	284
2027 and thereafter	1,950
Total	3,934
Unamortized discount and debt issuance costs	(28)
Total long-term debt	$ 3,906	$ 4,425

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