Segment Information - Reportable Segments and Total Assets (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)
Reporting segments
Number of reportable segments \| segment	4
Summary of assets by segment
Total assets	$ 190,904	$ 181,403
Advice & Wealth Management
Summary of assets by segment
Total assets	40,038	41,514
Asset Management
Summary of assets by segment
Total assets	6,723	7,350
Retirement & Protection Solutions
Summary of assets by segment
Total assets	127,778	116,609
Corporate & Other
Summary of assets by segment
Total assets	$ 16,365	$ 15,930

Amount of asset recognized for present right to economic benefit.

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+ Details