A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

+ Details

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan, for assets transferred into (out of) Level 3 of fair value hierarchy. Includes, but is not limited to, transfer due to change in observability of significant inputs.

+ References

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 715
-SubTopic 70
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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets sold and still held.

+ References

No definition available.

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- Definition

Defined Contribution Plan, Discretionary Contribution, Vesting Period

+ References

No definition available.

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- Definition

Defined Contribution Plan, Discretionary Contributions, Eligibility Requirement, Service Period

+ References

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- Definition

Defined Contribution Plan, Employee Eligibility, Service Period

+ References

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- Definition

Defined Contribution Plan, Employer Matching Contribution, Eligibility Requirement, Service Period

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- Definition

Defined Contribution Plan, Profit Sharing Contribution, Vesting Period

+ References

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- Definition

Defined Contribution Plan, Profit Sharing Contributions, Eligibility Requirement, Service Period

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- Definition

Defined Contribution Retirement Plan Textual

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Employee Benefits, Fair Value Level 3 Pension and Other Benefit Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Contribution Retirement Plans Textual [Abstract]
Defined contribution retirement plan expense		$ 1,100	$ 1,100	$ 1,200
Pension plan assets [Member]
Changes in Level 3 pension plan assets measured at fair value [Abstract]
Fair value of plan assets at beginning of year	$ 12,061	10,763
Fair value of plan assets at end of year		12,061	10,763
Pension plan assets [Member] \| Level 3 [Member]
Changes in Level 3 pension plan assets measured at fair value [Abstract]
Fair value of plan assets at beginning of year	12	16	22
Gain (losses)		(1)	4
Purchases, sales and settlements (net)		(4)	(10)
Transfers Into/ (Out of) Level 3		1	0
Fair value of plan assets at end of year		12	16	22
Other benefits plan assets [Member]
Changes in Level 3 pension plan assets measured at fair value [Abstract]
Fair value of plan assets at beginning of year	549	540	511
Fair value of plan assets at end of year		549	540	511
Other benefits plan assets [Member] \| Level 3 [Member]
Changes in Level 3 pension plan assets measured at fair value [Abstract]
Fair value of plan assets at beginning of year	$ 24	24	24
Gain (losses)		0	0
Purchases, sales and settlements (net)		0	0
Transfers Into/ (Out of) Level 3		0	0
Fair value of plan assets at end of year		$ 24	$ 24	$ 24
Wells Fargo And Company 401(k) Plan [Member] \| United States [Member]
Defined Contribution Retirement Plans Textual [Abstract]
Service period for employee to be eligible for 401(k) plan		1 month
Percentage of employee contribution		50.00%
Service period for employee to be eligible for company matching contributions		1 year
Percentage of employer match (up to 6%)		6.00%
Matching contribution vesting percentage		100.00%
Service period for employee to be eligible for profit sharing contributions		1 year
Profit sharing contribution vesting period		3 years
Wells Fargo And Company 401(k) Plan [Member] \| United States [Member] \| Subsequent event [Member] \| Employees with annual compensation of less than $75,000 [Member]
Defined Contribution Retirement Plans Textual [Abstract]
Percentage of employee contribution	1.00%
Wells Fargo And Company 401(k) Plan [Member] \| United States [Member] \| Subsequent event [Member] \| Employees with annual compensation of less than $150,000 [Member]
Defined Contribution Retirement Plans Textual [Abstract]
Defined contribution plan, discretionary contributions, eligibility requirement, service period	one year
Defined contribution plan, discretionary contribution, vesting period	three years