CONSOLIDATED BALANCE SHEET - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and due from banks (including segregated cash and other deposits)	$ 22,604	$ 23,043
Deposits with banks	163,505	137,451
Federal funds sold and securities borrowed or purchased under agreements to resell (including $156,332 and $133,204 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	252,608	236,813
Brokerage receivables	38,076	28,887
Trading account assets (including $99,225 and $80,986 pledged to creditors at September 30, 2017 and December 31, 2016, respectively)	258,907	243,925
Investments:
Available for sale (including $9,599 and $8,239 pledged to creditors as of September 30, 2017 and December 31, 2016, respectively)	295,315	299,424
Held to maturity (including $301 and $843 pledged to creditors as of September 30, 2017 and December 31, 2016, respectively)	51,527	45,667
Non-marketable equity securities (including $1,300 and $1,774 at fair value as of September 30, 2017 and December 31, 2016, respectively)	7,832	8,213
Total investments	354,674	353,304
Loans:
Loans, net of unearned income	653,183	624,369
Allowance for loan losses	(12,366)	(12,060)
Total loans, net	640,817	612,309
Goodwill	22,345	21,659
Intangible assets (other than MSRs)	4,732	5,114
Mortgage servicing rights (MSRs)	553	1,564
Other assets (including $20,424 and $15,729 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	130,312	128,008
Total assets	1,889,133	1,792,077
Liabilities
Non-interest-bearing deposits in U.S. offices	127,220	136,698
Interest-bearing deposits in U.S. offices (including $314 and $434 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	315,556	300,972
Non-interest-bearing deposits in offices outside the U.S.	84,178	77,616
Interest-bearing deposits in offices outside the U.S. (including $1,183 and $778 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	437,084	414,120
Total deposits	964,038	929,406
Federal funds purchased and securities loaned or sold under agreements to repurchase (including $45,325 and $33,663 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	161,282	141,821
Brokerage payables	63,205	57,152
Trading account liabilities	138,820	139,045
Short-term borrowings (including $4,827 and $2,700 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	38,149	30,701
Long-term debt (including $30,826 and $26,254 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	232,673	206,178
Other liabilities (including $15,144 and $10,796 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	62,344	61,631
Total liabilities	1,660,511	1,565,934
Stockholders’ equity
Preferred stock ($1.00 par value; authorized shares: 30 million), issued shares: 770,120 as of September 30, 2017 and as of December 31, 2016, at aggregate liquidation value	19,253	19,253
Common stock ($0.01 par value; authorized shares: 6 billion), issued shares: 3,099,523,273 and 3,099,482,042 as of September 30, 2017 and December 31, 2016	31	31
Additional paid-in capital	107,896	108,042
Retained earnings	155,174	146,477
Treasury stock, at cost: September 30, 2017—455,521,274 shares and December 31, 2016—327,090,192 shares	(24,829)	(16,302)
Accumulated other comprehensive income (loss) (AOCI)	(29,891)	(32,381)
Total Citigroup stockholders’ equity	227,634	225,120
Noncontrolling interest	988	1,023
Total equity	228,622	226,143
Total liabilities and equity	1,889,133	1,792,077
Consumer
Loans:
Loans, net of unearned income	325,576	325,063
Allowance for loan losses	(9,892)	(9,358)
Corporate
Loans:
Loans, net of unearned income	327,607	299,306
Allowance for loan losses	(2,474)	(2,702)
Consolidated VIEs
Assets
Cash and due from banks (including segregated cash and other deposits)	107	142
Trading account assets (including $99,225 and $80,986 pledged to creditors at September 30, 2017 and December 31, 2016, respectively)	1,437	602
Investments:
Total investments	2,584	3,636
Loans:
Loans, net of unearned income	72,429	73,522
Allowance for loan losses	(1,943)	(1,769)
Total loans, net	70,486	71,753
Other assets (including $20,424 and $15,729 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	142	158
Total assets	74,756	76,291
Liabilities
Short-term borrowings (including $4,827 and $2,700 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	10,166	10,697
Long-term debt (including $30,826 and $26,254 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	28,666	23,919
Other liabilities (including $15,144 and $10,796 as of September 30, 2017 and December 31, 2016, respectively, at fair value)	396	1,275
Total liabilities	39,228	35,891
Consolidated VIEs | Consumer
Loans:
Loans, net of unearned income	52,521	53,401
Consolidated VIEs | Corporate
Loans:
Loans, net of unearned income	$ 19,908	$ 20,121