Receivables and Other Assets (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Trade Accounts and Notes Receivable

(a)

Trade accounts and notes receivable as of December 31, 2017 and December 31, 2018 are as follows:


(In millions of won)
	December 31, 2017		December 31, 2018
Trade, net	W	3,275,902		2,305,368
Due from related parties		1,049,218		523,795

	W	4,325,120		2,829,163

Summary of Other Accounts Receivable

(b)

Other accounts receivable as of December 31, 2017 and December 31, 2018 are as follows:


(In millions of won)	December 31, 2017		December 31, 2018
Current assets
Non-trade receivable, net	W	150,554		159,238
Accrued income		14,273		10,075

	W	164,827		169,313

Non-current assets
Long-term non-trade receivable		8,738		11,448

	W	173,565		180,761

Aging of Trade Accounts and Notes Receivable, Other Accounts Receivable and Long-term Non-trade Receivable

(c)

The aging of trade accounts and notes receivable, and other accounts receivable as of December 31, 2017 and December 31, 2018 are as follows:


(In millions of won)	December 31, 2017
	Book value				Impairment loss
	Trade accounts and notes receivable		Other accounts receivable		Trade accounts and notes receivable			Other accounts receivable
Not past due	W	4,323,465		173,493		(1,631	)		(905	)
Past due 1-15 days		2,652		488		(1	)		(3	)
Past due 16-30 days		631		65		—			(1	)
Past due 31-60 days		—		208		—			(2	)
Past due more than 60 days		4		622		—			(400	)

	W	4,326,752		174,876		(1,632	)		(1,311	)


(In millions of won)	December 31, 2018
	Book value				Impairment loss
	Trade accounts and notes receivable		Other accounts receivable		Trade accounts and notes receivable			Other accounts receivable
Not past due	W	2,807,598		177,689		(473	)		(816	)
Past due 1-15 days		21,558		3,148		(4	)		(26	)
Past due 16-30 days		454		441		—			(4	)
Past due 31-60 days		30		96		—			(1	)
Past due more than 60 days		—		668		—			(434	)

	W	2,829,640		182,042		(477	)		(1,281	)

Movement in Allowance for Impairment in Respect of Trade Accounts and Notes Receivable, Other Accounts Receivable

The movement in the allowance for impairment in respect of trade accounts and notes receivable and other accounts receivable for the years ended December 31, 2016, 2017 and 2018 are as follows:


(In millions of won)	Trade accounts and notes receivable
	2016			2017		2018
Balance at the beginning of the year	W	1,507			1,488		1,632
(Reversal of) bad debt expense		(19	)		144		(1,155	)

Balance at the end of the year	W	1,488			1,632		477


(In millions of won)	Other accounts receivable
	2016			2017		2018
Balance at the beginning of the year	W	618			1,116		1,311
(Reversal of) bad debt expense		498			195		(30	)

Balance at the end of the year	W	1,116			1,311		1,281

Summary of Other Assets

(d)

Other assets as of December 31, 2017 and December 31, 2018 are as follows:


(In millions of won)	December 31, 2017		December 31, 2018
Current assets
Advance payments	W	7,973		13,259
Prepaid expenses		83,626		89,110
Value added tax refundable		148,351		436,190
Emission rights		1,978		—
Right to recover returned goods(*)		—		7,489

	W	241,928		546,048

Non-current assets
Long-term prepaid expenses	W	394,759		381,983

(*)	As a result from the initial application of IFRS 15, the Group recognized an asset for right to recover goods returned by the customer.