Accumulated Other Comprehensive Loss - Narrative (Details) - Defined benefit pension plans $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized losses reclassified to income from continuing operations, net of tax	$ 115
Net realized losses reclassified to income from continuing operations, before tax	71
Net realized gains reclassified to income from continuing operations, tax	44
Stranded tax effects	$ 61