Deposit Accounts - Summary of Deposit Accounts (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deposits
Total deposits	$ 18,009	$ 19,973
Branch retail deposits
Deposits
Savings accounts	3,751	3,437
Demand deposit accounts	1,946	1,726
Certificates of deposit/CDARS	951	1,355
Money market demand accounts	494	490
Total deposits	7,142	7,008
Commercial deposits
Deposits
Savings accounts	520	461
Demand deposit accounts	2,194	2,294
Money market demand accounts	408	208
Total deposits	3,122	2,963
Retail deposits
Deposits
Total deposits	10,264	9,971
Government deposits
Deposits
Savings accounts	721	778
Demand deposit accounts	664	529
Certificates of deposit/CDARS	609	458
Money market demand accounts	6	0
Total deposits	2,000	1,765
Wholesale deposits
Deposits
Total deposits	1,141	1,031
Company controlled deposits
Deposits
Total deposits	$ 4,604	$ 7,206

The schedule of a description of the entity's deposit liabilities held by the entity.

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- Definition

The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

+ References

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Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

+ References

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- Definition

Amount of time deposit liabilities, including certificates of deposit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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