DEBT SECURITIES IN ISSUE (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of debt instruments [text block] [Abstract]

Schedule of Debt Securities in Issue [Text Block]

	2017		2016
	£m		£m
Medium-term notes issued		29,418		27,182
Covered bonds (note 18)		26,132		30,521
Certificates of deposit issued		9,999		8,077
Securitisation notes (note 18)		3,660		7,253
Commercial paper		3,241		3,281
Total debt securities in issue		72,450		76,314