Long-Term Debt - Senior Notes (Details) - Parent Company - USD ($) $ in Millions	Sep. 06, 2024	Jan. 29, 2024	Jul. 27, 2023	Oct. 27, 2022	Jul. 28, 2022	Apr. 25, 2022	Nov. 01, 2021	May 05, 2020	Mar. 14, 2018	Dec. 31, 2024	Oct. 28, 2019
Senior Notes | Fixed Rate 3.95% Notes Due 2028
Debt Instrument
Principal amount									$ 650
Interest rate (as a percent)									3.95%	3.95%
Redemption period prior to maturity date									30 days
Redemption price (as a percent)									100.00%
Senior Notes | Fixed Rate 2.375% Notes Due 2025
Debt Instrument
Principal amount											$ 750
Interest rate (as a percent)										2.375%	2.375%
Senior Notes | Fixed Rate 2.55% Notes Due 2027
Debt Instrument
Principal amount								$ 750
Interest rate (as a percent)								2.55%		2.55%
Redemption price (as a percent)								100.00%
Debt term								7 years
Senior Notes | Fixed Rate 2.55% Notes Due 2027 | U.S. Treasury Rate
Debt Instrument
Basis spread on variable rate (as a percent)								0.35%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due November 1, 2027
Debt Instrument
Principal amount							$ 500
Redemption period prior to maturity date							30 days
Derivative, variable interest rate										5.34%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due November 1, 2027 | Debt Instrument, Redemption, Period One
Debt Instrument
Redemption price (as a percent)							100.00%
Debt instrument, redemption period							1 year
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due November 1, 2027 | Debt Instrument, Redemption, Period Two
Debt Instrument
Redemption price (as a percent)							100.00%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due November 1, 2027 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Derivative, basis spread on a variable rate							0.69%
Senior Notes | Fixed Rate 1.707% Senior Notes
Debt Instrument
Interest rate (as a percent)							1.707%
Senior Notes | Senior Notes with Compounded SOFR Interest Rate | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)							0.685%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due April 2028 And 2033
Debt Instrument
Principal amount						$ 1,000
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due April 2028 And 2033 | Debt Instrument, Redemption, Period One
Debt Instrument
Debt instrument, redemption period						1 year
Senior Notes | Fixed Rate/Floating Rate 4.055 Percent Senior Notes Due April 2028
Debt Instrument
Principal amount						$ 400
Interest rate (as a percent)						4.055%
Derivative, variable interest rate										5.91%
Senior Notes | Fixed Rate/Floating Rate 4.055 Percent Senior Notes Due April 2028 | Debt Instrument, Redemption, Period Two
Debt Instrument
Debt instrument, redemption period						30 days
Senior Notes | Fixed Rate/Floating Rate 4.055 Percent Senior Notes Due April 2028 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)						1.355%
Senior Notes | Fixed Rate/Floating Rate 4.055 Percent Senior Notes Due April 2028 | Secured Overnight Financing Rate, Floating (SOFR)
Debt Instrument
Derivative, basis spread on a variable rate						1.357%
Senior Notes | Fixed Rate/Floating Rate 4.337 Percent Senior Notes Due April 2033
Debt Instrument
Principal amount						$ 600
Interest rate (as a percent)						4.337%
Derivative, variable interest rate										6.22%
Senior Notes | Fixed Rate/Floating Rate 4.337 Percent Senior Notes Due April 2033 | Debt Instrument, Redemption, Period Three
Debt Instrument
Debt instrument, redemption period						90 days
Senior Notes | Fixed Rate/Floating Rate 4.337 Percent Senior Notes Due April 2033 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)						1.66%
Senior Notes | Fixed Rate/Floating Rate 4.337 Percent Senior Notes Due April 2033 | Secured Overnight Financing Rate, Floating (SOFR)
Debt Instrument
Derivative, basis spread on a variable rate						1.666%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 2030
Debt Instrument
Principal amount					$ 1,000
Derivative, variable interest rate										6.67%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 2030 | Debt Instrument, Redemption, Period One
Debt Instrument
Debt instrument, redemption period					1 year
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 2030 | Debt Instrument, Redemption, Period Four
Debt Instrument
Debt instrument, redemption period					60 days
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 2030 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)					2.127%
Derivative, basis spread on a variable rate										2.132%
Senior Notes | Fixed Rate 4.772 Percent Senior Notes Due July 2030
Debt Instrument
Interest rate (as a percent)					4.772%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due October 2028
Debt Instrument
Principal amount				$ 1,000
Redemption period prior to maturity date				180 days
Derivative, variable interest rate										6.74%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due October 2028 | Debt Instrument, Redemption, Period Four
Debt Instrument
Redemption period prior to maturity date				1 year
Debt instrument, redemption period				30 days
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due October 2028 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)				2.192%
Derivative, basis spread on a variable rate				2.193%
Senior Notes | Fixed Rate 6.361 Percent Senior Notes Due October 2028
Debt Instrument
Interest rate (as a percent)				6.361%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 27, 2029
Debt Instrument
Principal amount			$ 1,250
Interest rate (as a percent)			6.339%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 27, 2029 | Debt Instrument, Redemption, Period One
Debt Instrument
Debt instrument, redemption period			1 year
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 27, 2029 | Debt Instrument, Redemption, Period Two
Debt Instrument
Debt instrument, redemption period			30 days
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 27, 2029 | Debt Instrument, Redemption, Period Five
Debt Instrument
Debt instrument, redemption period			180 days
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due July 27, 2029 | Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (as a percent)			2.34%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due January 29, 2032
Debt Instrument
Principal amount		$ 1,000
Interest rate (as a percent)		5.631%
Basis spread on variable rate (as a percent)		1.84%
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due January 29, 2032 | Debt Instrument, Redemption, Period One
Debt Instrument
Debt instrument, redemption period		1 year
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due January 29, 2032 | Debt Instrument, Redemption, Period Two
Debt Instrument
Debt instrument, redemption period		60 days
Senior Notes | Fixed Rate/Floating Rate Senior Notes Due January 29, 2032 | Debt Instrument, Redemption, Period Three
Debt Instrument
Debt instrument, redemption period		180 days
Senior Notes | Fixed/Floating Rate Floating Rate 4.895% Senior Notes Due 2030
Debt Instrument
Principal amount	$ 750
Interest rate (as a percent)	4.895%
Basis spread on variable rate (as a percent)	1.486%
Senior Notes | Fixed/Floating Rate Floating Rate 4.895% Senior Notes Due 2030 | Debt Instrument, Redemption, Period One
Debt Instrument
Debt instrument, redemption period	1 year
Senior Notes | Fixed/Floating Rate Floating Rate 4.895% Senior Notes Due 2030 | Debt Instrument, Redemption, Period Two
Debt Instrument
Debt instrument, redemption period	30 days
Senior Notes | Fixed/Floating Rate Floating Rate 4.895% Senior Notes Due 2030 | Debt Instrument, Redemption, Period Three
Debt Instrument
Debt instrument, redemption period	180 days
Subordinated Debt | Fixed Rate 8.25% Notes Due 2038
Debt Instrument
Interest rate (as a percent)										8.25%
Derivative, variable interest rate										8.20%
Derivative, basis spread on a variable rate										3.31%