Segment Reporting Segment Assets (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total Segment Assets	$ 37,169	$ 35,487	$ 37,221
Corporate Assets	4,590	5,338	4,243
Total Assets	41,759	$ 40,825	41,464
Segments
Segment Reporting Information [Line Items]
Total Segment Assets	$ 37,169		$ 37,221