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Guarantor Statements - Cash Flow Statement (Detail) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities | € 7,292 | € 7,047 | € 7,330
Net cash flow from/(used in) investing activities | (5,879) | (3,188) | (3,539)
Net cash flow from/(used in) financing activities | (1,433) | (3,073) | (3,032)
Net increase/(decrease) in cash and cash equivalents | (20) | 786 | 759
Cash and cash equivalents at beginning of year | 3,198 | 2,128 | 1,910
Effect of foreign exchange rates | (9) | 284 | (541)
Cash and cash equivalents at end of year | 3,169 | 3,198 | 2,128
Unilever Capital Corporation Subsidiary Issuer [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities |  |  | (1)
Net cash flow from/(used in) investing activities | (3,884) | (1,053) | (1,005)
Net cash flow from/(used in) financing activities | 3,873 | 1,048 | 1,000
Net increase/(decrease) in cash and cash equivalents | (11) | (5) | (6)
Effect of foreign exchange rates | 11 | 5 | 6
Unilever Parent Entities [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities | 941 | 45 | (699)
Net cash flow from/(used in) investing activities | (7,123) | (679) | 231
Net cash flow from/(used in) financing activities | 6,261 | 621 | 558
Net increase/(decrease) in cash and cash equivalents | 79 | (13) | 90
Cash and cash equivalents at beginning of year | 5 | 3 | 5
Effect of foreign exchange rates | (61) | 15 | (91)
Cash and cash equivalents at end of year | 23 | 5 | 3
Cash and cash equivalents at end of year, before rounding adjustment |  |  | 4
Unilever United States Inc Subsidiary Guarantor [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities | (40) | (177) | (140)
Net cash flow from/(used in) investing activities | (1,062) | (783) | (729)
Net cash flow from/(used in) financing activities | 1,103 | 959 | 871
Net increase/(decrease) in cash and cash equivalents | 1 | (1) | 2
Cash and cash equivalents at beginning of year | (2) | (1) | (3)
Cash and cash equivalents at end of year | (1) | (2) | (1)
Non Guarantor Subsidiaries [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities | 6,391 | 7,179 | 8,170
Net cash flow from/(used in) investing activities | 5,136 | (1,712) | (2,955)
Net cash flow from/(used in) financing activities | (11,616) | (4,662) | (4,542)
Net increase/(decrease) in cash and cash equivalents | (89) | 805 | 673
Cash and cash equivalents at beginning of year | 3,195 | 2,126 | 1,908
Effect of foreign exchange rates | 41 | 264 | (456)
Cash and cash equivalents at end of year | 3,147 | 3,195 | 2,126
Cash and cash equivalents at end of year, before rounding adjustment |  |  | 2,125
Unilever Group [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) operating activities | 7,292 | 7,047 | 7,330
Net cash flow from/(used in) investing activities | (5,879) | (3,188) | (3,539)
Net cash flow from/(used in) financing activities | (1,433) | (3,073) | (3,032)
Net increase/(decrease) in cash and cash equivalents | (20) | 786 | 759
Cash and cash equivalents at beginning of year | 3,198 | 2,128 | 1,910
Effect of foreign exchange rates | (9) | 284 | (541)
Cash and cash equivalents at end of year | 3,169 | 3,198 | 2,128
Eliminations [Member] |  |  |
Disclosure Of Cash Flow Statement [Line Items] |  |  |
Net cash flow from/(used in) investing activities | 1,054 | 1,039 | 919
Net cash flow from/(used in) financing activities | € (1,054) | € (1,039) | € (919)

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